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  • Wiley  (27,669)
  • Blackwell Publishing Ltd  (14,189)
  • Oxford University Press  (11,508)
  • Annual Reviews
  • PANGAEA
  • 2005-2009
  • 1990-1994  (58,886)
  • 1992  (30,348)
  • 1990  (28,538)
Collection
Keywords
Publisher
Years
  • 2005-2009
  • 1990-1994  (58,886)
Year
  • 1
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    Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 sediment core (Table 2) (1992)
    PANGAEA
    In:  Supplement to: Wei, Wuchang (1992): Updated nannofossil stratigraphy of the CIROS-1 core from McMurdo Sound (Ross Sea). In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 1105-1117, https://doi.org/10.2973/odp.proc.sr.120.197.1992
    Details
    Publication Date: 2023-07-10
    Description: Semiquantitative data of calcareous nannofossil species abundance were collected for 31 samples from 380.00 to 696.61 m below sea floor (mbsf) in the CIROS-1 core from the western McMurdo Sound (Ross Sea). This core has provided the most complete record of Paleogene glacial history of Antarctica. Only half of the samples yielded calcareous nannofossils and species diversity is generally low. However, several samples contain diverse assemblages and nannofossil zonal markers. Isthmolithus recurvus was found between 406.57 and 681.16 mbsf. This species has an age range of ~35-39 Ma in the mid to high latitudes, as calibrated previously by magnetostratigraphy at a number of DSDP/ODP sites. The interval from 406.57 to 681.16 mbsf can be assigned to the late Eocene-earliest Oligocene (~35-39 Ma), and the sample at 391.85 mbsf, which still contains Reticulofenestra hillae and Reticulofenestra umbilica but does not contain I. recurvus, is identified as early Oligocene age (~33-34 Ma). This represents an age refinement of the previous nannofossil biostratigraphy, where the interval from 385.77 to 690.40 mbsf was dated as middle Eocene-early Oligocene. Comparison of the nannofossil assemblages in the CIROS-1 core with those in a similar glaciomarine sequence recovered in Prydz Bay (East Antarctica) and those at deep-sea ODP Sites 738 and 744, where lowermost Oligocene ice-rafted debris (IRD) were found, suggests that the nannofossils in the CIROS-1 core samples examined are in situ. The semiquantitative nannofossil data also suggest that Isthmolithus recurvus and Reticulofenestra davies¸ are most tolerant of cold waters within the late Eocene-early Oligocene nannofloras.
    Keywords: Braarudosphaera bigelowii; Butter Point; Chiasmolithus altus; Chiasmolithus cf. oamaruensis; Chiasmolithus oamaruensis; Chiasmolithus sp.; CIROS; CIROS-1; Coccolithus pelagicus; Cyclicargolithus floridanus; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Epoch; Isthmolithus recurvus; Lithostromation simplex; Nannofossil abundance; Nannofossils preservation; Nannofossil zone; Reticulofenestra bisecta; Reticulofenestra daviesii; Reticulofenestra hillae; Reticulofenestra umbilicus; Sampling/drilling ice; Sphenolithus moriformis; Zygrhablithus bijugatus
    Type: Dataset
    Format: text/tab-separated-values, 850 data points
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  • 2
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    (Table 10) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 24-238 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: 24-238; Abundance estimate; Anomalinoides sp.; Bolivina cancellata; Bolivina cf. pulchra; Bolivina tectiformis; Bulimina alazanensis; Bulimina macilenta; Bulimina miolaevis; Bulimina semicostata; Buliminella sp.; Cassidulina cf. laevigata; Cassidulina crassa; Cibicides trincherasensis; Cibicidoides haitiensis; Cibicidoides havanensis; Cibicidoides praemundulus; Deep Sea Drilling Project; Dentalina consobrina; Discorbis vilardeboanus; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Eggerella bradyi; Epistominella exigua; Epoch; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides planulatus; Heterolepa grimsdalei; Indian Ocean//FRACTURE ZONE; Karreriella chapapotensis; Leg24; Lenticulina vortex; Martinottiella cojimarensis; Nannofossil zone; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina rohri; Osangularia mexicana; Planktic foraminifera zone; Pleurostomella sp.; Pleurostomella subcylindrica; Pullenia bulloides; Pullenia eocenica; Pullenia quinqueloba; Sample code/label; Siphonodosaria modesta; Siphotextularia sp.; Species richness; Stilostomella gracillima; Stilostomella lepidula; Stilostomella marginata; Stilostomella nuttalli; Stilostomella subspinosa; Trifarina pigmea; Uvigerina pigmaea; Uvigerina semivestita
    Type: Dataset
    Format: text/tab-separated-values, 1100 data points
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  • 3
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    (Table 18) Ranges of benthic foraminifers through the Neogene in DSDP Hole 23-219 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: 23-219; Anomalinoides semicribratus; Bolivina cf. pulchra; Bolivina pseudogemma; Bolivina pusilla; Bolivina robusta; Bolivina subreticulata; Bolivinita quadrilatera; Bulimina alazanensis; Bulimina cf. aculeata; Bulimina macilenta; Bulimina miolaevis; Bulimina semicostata; Bulimina striata; Buliminella sp.; Cassidulina laevigata; Cassidulinidae taxa; Chrysalogonium equisetiformis; Cibicides lobatulus; Cibicides wuellerstorfi; Cibicidoides bradyi; Cibicidoides cf. ungerianus; Cibicidoides cicatricosus; Cibicidoides kullenbergi; Deep Sea Drilling Project; Dentalina consobrina; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Eggerella bradyi; Ehrenbergina trigona; Epistominella exigua; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Foraminifera, benthic reworked; Frondicularia sp.; Gaudryina sp.; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altiformis; Gyroidinoides neosoldanii; Gyroidinoides pennatulus; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa rugosa; Hoeglundina elegans; Indian Ocean/Arabian Sea/RIDGE; Karreriella bradyi; Karreriella subrotunda; Laticarinina pauperata; Leg23; Lenticulina vortex; Martinottiella variabilis; Melonis affinis; Melonis barleeanus; Melonis pacificum; Miliolids sp.; Nannofossil zone; Nodosaria stiliformis; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina perversa; Osangularia bengalensis; Osangularia culter; Planktic foraminifera zone; Planulina ariminensis; Planulina renzi; Pleurostomella alternans; Pleurostomella bierigi; Pleurostomellid taxa; Pullenia bulloides; Pullenia quinqueloba; Pyrgo murrhina; Rectuvigerina striata; Rotalia translucens; Sample code/label; Saracenaria triangulata; Sigmoilopsis schlumbergeri; Siphogenerina multicostata; Siphonodosaria modesta; Siphotextularia catenata; Species richness; Sphaeroidina bulloides; Spiroplectammina spinosa; Stilostomella insecta; Stilostomella lepidula; Stilostomella marginata; Stilostomella subspinosa; Textularia flintii; Textularia lythostrata; Trifarina pigmea; Uvigerina auberiana; Uvigerina hispida; Uvigerina hispidocostata; Uvigerina proboscidea; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 1315 data points
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  • 4
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    (Table 2) Mineral composition of size fraction 0.1-0.05 mm from surface sediments of the Transatlantic section (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-07
    Keywords: AK43-4834; AK43-4893; AK43-4896; AK43-4898; AK43-4904; AK43-4906; AK43-4907; AK43-4910; Akademik Kurchatov; AKU43; Archive of Ocean Data; ARCOD; Argentinian Basin; Black ore; Calculated; Cape Basin; Clinopyroxene; Counting, Stereo Microscope; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Epidote; Event label; Feldspar; Grab; GRAB; Hornblende, common; Iron-manganese hydroxides; Latitude of event; Longitude of event; Micronodules; Orthopyroxene; Palagonite; Plagioclase, acid; Plagioclase, basic/middle; Quartz; Quartz/Feldspar ratio; Rio Grande Rise; South Atlantic Ridge; Volcanic glass, acidic; Zeolite
    Type: Dataset
    Format: text/tab-separated-values, 96 data points
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  • 5
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    (Table 7) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 26-253 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 26-253; Anomalinoides alabamensis; Anomalinoides aragonensis; Anomalinoides semicribratus; Bolivina tectiformis; Bulimina alazanensis; Bulimina cf. glomarchallengeri; Bulimina macilenta; Bulimina mexicana; Bulimina miolaevis; Bulimina semicostata; Cassidulina cornuta; Chrysalogonium equisetiformis; Cibicidoides cf. ungerianus; Cibicidoides havanensis; Cibicidoides praemundulus; Cibicidoides trincherasensis; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epistominella exigua; Epoch; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa mexicana; Indian Ocean//RIDGE; Laticarinina bullbrooki; Leg26; Lenticulina vortex; Marginulina sp.; Martinottiella cojimarensis; Nannofossil zone; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina perversa; Orthomorphina rohri; Osangularia mexicana; Planktic foraminifera zone; Planulina renzi; Planulina sp.; Pleurostomella spp.; Pullenia bulloides; Pullenia eocenica; Pullenia quinqueloba; Sample code/label; Siphonodosaria modesta; Spiroplectammina spinosa; Stilostomella gracillima; Stilostomella nuttalli; Stilostomella subspinosa; Uvigerina spinicostata; Uvigerina spinulosa; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 216 data points
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  • 6
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    (Table 8) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 22-217 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 22-217; Anomalinoides alazanensis; Bolivina tectiformis; Bolivinopsis gryzbowski; Bulimina consanguinea; Bulimina semicostata; Bulimina sp.; Cibicides laurisae; Cibicidoides haitiensis; Cibicidoides havanensis; Cibicidoides praemundulus; Cibicidoides sp.; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa grimsdalei; Indian Ocean//RIDGE; Leg22; Marginulina sp.; Martinottiella cojimarensis; Nannofossil zone; Nonion havanense; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina perversa; Osangularia mexicana; Planktic foraminifera zone; Pleurostomella alternans; Pleurostomella spp.; Pullenia quinqueloba; Sample code/label; Saracenaria sp.; Species richness; Stilostomella lepidula; Stilostomella nuttalli; Stilostomella subspinosa; Uvigerina havanensis; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 220 data points
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  • 7
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    (Figure 3) Distribution of calcareous nannofossils in sediment core ELT24.008-PC (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: Chiasmolithus expansus; Chiasmolithus grandis; Chiasmolithus solitus; Coccolithus formosus; Coccolithus pelagicus; DEPTH, sediment/rock; Discoaster barbadiensis; Discoaster lodoensis; Discoaster saipanensis; Discoaster spp.; Discoaster sublodoensis; ELT24; ELT24.008-PC; Eltanin; Isthmolithus recurvus; Markalius inversus; Nannofossil abundance; Nannofossils preservation; Neococcolithes dubius; PC; Piston corer; Reticulofenestra daviesii; Reticulofenestra samodurovii; Sphenolithus moriformis
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 8
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    (Table 2) Distribution of Upper Cretaceous agglutinated benthic foraminifers in DSDP Hole 20-198A (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 20-198A; Adercotryma sp.; Ammodiscus cretaceus; Bolivinopsis parvissimus; Counting 〉63 µm fraction; Deep Sea Drilling Project; DRILL; Drilling/drill rig; Dry mass; DSDP; DSDP/ODP/IODP sample designation; Foraminifera, benthic agglutinated; Glomar Challenger; Glomospira charoides; Glomospira gordialis; Glomospira irregularis; Glomospira serpens; Haplophragmoides biumbilicalis; Haplophragmoides ex gr. H. herbichi; Haplophragmoides ex gr. H. perexplicatus-constrictus; Haplophragmoides fraudulentus; Haplophragmoides incredibilis; Haplophragmoides multicamerus; Hormosina crassa; Hormosina ovulum; Hyperammina spp.; Kalamopsis grzybowskii; Leg20; North Pacific/BASIN; Number of species; Paratrochamminoides corpulentus; Paratrochamminoides dubius; Paratrochamminoides intricatus; Paratrochamminoides semipellucidus; Paratrochamminoides sp.; Plectorecurvoides parvus; Praecystammina globigerinaeformis; Recurvoides sp.; Rhizammina sp.; Sample code/label; Subreophax scalaris; Trochamminoides ex. gr. H. proteus; Trochamminoides olszewskii; Volume
    Type: Dataset
    Format: text/tab-separated-values, 840 data points
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  • 9
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    (Table 1) Bacterial numbers and biomasses of surface sediments from the Sierra Leone Abyssal Plain (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 371; 373; 375; 376; 377; 378; 381; 383; 386; 388; Acridine Orange Direct Counting (AODC); Atlantic Ocean; Bacteria, biomass as carbon; Bacteria per unit wet sediment; BC; Box corer; Calculated; Colony forming unit; Date/Time of event; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GEOTROPEX 83, NOAMP I; Giant box corer; GIK16421-2; GIK16422-2; GIK16424-1; GIK16425-1; GIK16426-3; GIK16427-1; GIK16430-2; GIK16432-1; GIK16435-1; GIK16437-3; GKG; Gravity corer (Kiel type); Latitude of event; Longitude of event; M65; Mesophiles per unit wet sediment; Meteor (1964); Optional event label; Psychrophiles per unit wet sediment; SL; Succinate per unit wet sediment; Temperature, in rock/sediment; van Veen Grab; VGRAB; Yeast extract per unit wet sediment
    Type: Dataset
    Format: text/tab-separated-values, 161 data points
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  • 10
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    (Figure 4) Distribution of calcareous nannofossils in sediment core ELT24.009-PC (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: Chiasmolithus expansus; Chiasmolithus grandis; Coccolithus formosus; Coccolithus pelagicus; DEPTH, sediment/rock; Discoaster barbadiensis; Discoaster spp.; ELT24; ELT24.009-PC; Eltanin; Nannofossil abundance; Nannofossils preservation; PC; Piston corer; Reticulofenestra samodurovii; Sphenolithus moriformis; Tribrachiatus orthostylus
    Type: Dataset
    Format: text/tab-separated-values, 33 data points
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  • 11
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    (Table 1) Distribution of Upper Cretaceous agglutinated benthic foraminifers in DSDP Hole 20-196 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 20-196; Adercotryma sp.; Ammodiscus tenuissimus; Bolivinopsis parvissimus; Buzasina pacifica; Counting 〉63 µm fraction; Deep Sea Drilling Project; Dendrophrya excelsa; DRILL; Drilling/drill rig; Dry mass; DSDP; DSDP/ODP/IODP sample designation; Foraminifera, benthic agglutinated; Foraminifera, benthic agglutinated indeterminata; Glomar Challenger; Glomospira charoides; Glomospira gordialis; Glomospira irregularis; Haplophragmoides biumbilicalis; Haplophragmoides ex gr. H. perexplicatus-constrictus; Haplophragmoides fraudulentus; Haplophragmoides krasheninnikovi; Haplophragmoides molestus; Hormosina crassa; Hormosina ovulum; Hyperammina sp.; Leg20; North Pacific/ABYSSAL FLOOR; Number of species; Paratrochamminoides corpulentus; Paratrochamminoides dubius; Paratrochamminoides intricatus; Paratrochamminoides semipellucidus; Paratrochamminoides sp.; Plectorecurvoides parvus; Plectorecurvoides rotundus; Praecystammina globigerinaeformis; Pseudobolivina munda; Rhizammina sp.; Sample code/label; Subreophax scalaris; Volume
    Type: Dataset
    Format: text/tab-separated-values, 442 data points
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  • 12
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    (Table 1) Stable isotope ratios of Cibicidoides spp. from DSDP Hole 48-401 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 48-401; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg48; Mass spectrometer Finnigan MAT 251; North Atlantic/TERRACE; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 164 data points
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  • 13
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    (Table 1) Stable isotope ratios of Cibicidoides spp. spp. from DSDP DSDP Hole 81-555 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 81-555; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg81; Mass spectrometer Finnigan MAT 251; North Atlantic/PLATEAU; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 180 data points
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  • 14
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    (Table 1) Stable oxygen carbon isotope ratio of Cibicidoides spp. of DSDP Site 41-366A (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 41-366; 41-366A; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Event label; Glomar Challenger; Leg41; Mass spectrometer Finnigan MAT 251; North Atlantic/CONT RISE; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 324 data points
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  • 15
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    Observation of manganese deposits in the Kane Fractue Zone of the Mid-Atlantic Ridge (1990)
    PANGAEA
    In:  Supplement to: Karson, Jeffrey A; Rona, Peter A (1990): Block-tilting, transfer faults, and structural control of magmatic and hydrothermal processesin the TAG area, Mid-Atlantic Ridge 26°N. Bulletin of the Geological Society of America, 102(12), 1635-1645, https://doi.org/10.1130/0016-7606(1990)102%3C1635:BTTFAS%3E2.3.CO;2
    Details
    Publication Date: 2023-08-28
    Description: Seven Alvin dives (14 km total) and numerous deep-towed camera traverses using ANGUS and NOAA camera systems provide dense coverage of a 12-km2 portion of the eastern wall of the Mid-Atlantic Ridge in the TAG area (26°N lat.). These data, in conjunction with recent Soviet Mir submersible data, provide important constraints on the tectonic, magmatic, and hydrothermal history of this spreading center segment. Active hydrothermal venting occurs near the junction of the median valley floor and eastern median valley wall and appears to be tectonically controlled by the intersection of major fault zones. An east-west fault-line scarp interpreted as an accommodation zone intersects escarpments associated with 020°-trending (ridge-parallel) normal faults that bound the median valley floor. The accommodation zone permits differential extension and rotation between major crustal blocks to the north and south. On the basis of the distribution of tilted chalk beds and geochemical anomalies in sediments, this fault zone has been intermittently active for at least 5x104 yr. The accommodation zone has apparently provided a conduit of high permeability oriented at a high angle to the ridge axis. Observations and samples from areas surrounding active and inactive vent sites provide evidence for three distinct episodes for hydrothermal outflow driven by separate magmatic events. The geometry of this active system may have implications for the location of hydrothermal systems in active spreading regimes and for massive sulfide exploration in ophiolite terranes.
    Keywords: AL12400; AL12420; AL12430; AL12440; AL12450; AL12460; AL12470; ALV1240; ALV-1240; ALV-1240C; ALV1242; ALV-1242; ALV-1242C; ALV1243; ALV-1243; ALV1244; ALV-1244; ALV1245; ALV-1245; ALV1246; ALV-1246; ALV-1246C; ALV1247; ALV-1247; Alvin; Comment; Deposit type; DEPTH, sediment/rock; Description; Event label; Grab; GRAB; Identification; Mid-Atlantic Ridge; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Photo/Video; Position; PV; Quantity of deposit; Sediment type; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 112 data points
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  • 16
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    Observation of manganese deposits on Kaikata Seamount, Izu-Ogasawara (Bonin) Arc by the Shikai 2000 submersible (1992)
    PANGAEA
    In:  Supplement to: Usui, Akira; Nishimura, Akira (1992): Submersible observations of hydrothermal manganese deposits on the Kaikata Seamount, Izu-Ogasawara (Bonin) Arc. Marine Geology, 106(3-4), 203-216, https://doi.org/10.1016/0025-3227(92)90130-A
    Details
    Publication Date: 2023-08-28
    Description: During Dive 408 of Shinkai 2000 on the flank of the Kaikata Seamount located on the volcanic front of the Izu-Ogasawara (Bonin) Arc, possibly recent hydrothermal manganese deposits were observed on sandy volcanic sediments at water depths of between 800 and 1200 m. The deposits cover almost the entire surface sediment across the manganese belt on the northwestern flank on the seamount on a scale of kilometers. The occurrence of the deposits, seafloor morphology and temperature of the sediments, together with previous shipboard results, lead to a possible model for the formation of the manganese deposits: A low-temperature hydrothermal solution ascends through fractures or faults in the volcanic substrate into permeable volcanic sands and precipitates manganate minerals which cement several centimeters of surface sand as hardpan. More intense and probably intermittent discharge of hydrothermal solution follows and forms many typical ridge-like vents and mounds on the seafloor. Subsequently, pure dense manganate layers developed beneath the semi-consolidated volcanic sandstone and act as a cap to the ascending fluids. The proposed mechanism may be the dominant type of low-temperature hydrothermal mineralization in submarine island-arc volcanoes and rifts. Similar hydrothermal manganese deopsits most probably occur in other active areas of the modern seafloors and in inactive island arcs.
    Keywords: Date/Time of event; Deposit type; DEPTH, sediment/rock; Description; DV408/St_1; DV408/St_2; DV408/St_3; DV408/St_4; Elevation of event; Event label; Kaikata Seamount, Pacific Ocean; Latitude of event; Longitude of event; Na8906; Natsushima; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; S2000; Sample ID; Sediment type; Shinkai2000_408-S1; Shinkai2000_408-S2; Shinkai2000_408-S3; Shinkai2000_408-S4; Shinkai2000_DV408; Size; Submersible Shinkai 2000; Substrate type; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 32 data points
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  • 17
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    Table 3: 14C activity of thallus sections of Usnea aurantiaco-atra (1992)
    PANGAEA
    Details
    Publication Date: 2023-08-26
    Keywords: Activity; Activity, standard deviation; Arctowski_Meteo; Arctowski-Station; Henryk Arctowski Polish Ant. Station; King George Island, Antarctic Peninsula; Long-term meteorological data; Material; Sample, optional label/labor no; STAT; Station; δ13C
    Type: Dataset
    Format: text/tab-separated-values, 25 data points
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  • 18
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    (Table 3, Page 417) Table 3. The concentrations of Zn, Cu, Pb, Cd, Ni, Co, Ag, Mn and Fe in a soluble in 1M HCl fraction of ferromanganese nodules of Slupsk Furrow in the southern Baltic sea (1990)
    PANGAEA
    In:  Supplement to: Szefer, Piotr; Szefer, Krystyna (1990): Metals in molluscs and associated bottom sediments of the southern baltic. (Helgoländer Meeresuntersuchungen), Helgoland Marine Research, 44(3-4), 411-424, https://doi.org/10.1007/BF02365477
    Details
    Publication Date: 2023-08-28
    Description: The concentration of Zn, Cu, Pb, Cd, Ni, Co, Ag, Mn, Fe, Ca, Mg, K and Na in molluscs Macoma balthica, Mya arenaria, Cardium glaucum, Mytilus edulis and Astarte borealis from the southern Baltic was determined. The surface sediments and ferromanganese concretions associated with the molluscs were also analysed for concentration of these metals. Species- and region-dependent differences in the metal levels of the organisms were observed. The properties of molluscs analysed which have a tendency toward elevated biological tolerance of selected trace metals were specified. The interelement relationship between metal concentrations in the soft tissue and the shell was estimated and was discussed.
    Keywords: Atomic absorption spectrometry (AAS); Baltic Sea; Cobalt; Cobalt, standard deviation; Copper; Copper, standard deviation; Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Identification; Iron; Iron, standard deviation; Lead; Lead, standard deviation; Manganese; Manganese, standard deviation; Nickel; Nickel, standard deviation; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Oceana; Oceana-87; Position; SZEF-B2; Visual description; Zinc; Zinc, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 34 data points
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  • 19
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    (Table 1) Stable isotope ratios of Cibicidoides spp. from DSDP Hole 40-360 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 40-360; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg40; Mass spectrometer Finnigan MAT 251; Sample code/label; South Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 117 data points
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  • 20
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    (Table 1) Stable isotope ratios of Cibicidoides spp. from DSDP Hole 81-553 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 81-553; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg81; Mass spectrometer Finnigan MAT 251; North Atlantic/PLATEAU; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 264 data points
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  • 21
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    (Table 1) Stable isotope ratios of Cibicidoides spp. from DSDP Hole 82-563 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 82-563; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg82; Mass spectrometer Finnigan MAT 251; North Atlantic/RIDGE; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 297 data points
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  • 22
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    (Table 1) Stable isotope ratios of Cibicidoides spp. from DSDP Hole 94-608 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 94-608; AGE; Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg94; Mass spectrometer Finnigan MAT 251; North Atlantic/FLANK; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 240 data points
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  • 23
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    (Table A2) Stable carbon and oxygen isotope ratios of Cibicidoides spp. from DSDP Hole 94-607 in the North Atlantic (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 94-607; Age model; Age model, paleomag, Berggren et al (1985); Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg94; Mass spectrometer Finnigan MAT 251; North Atlantic/FLANK
    Type: Dataset
    Format: text/tab-separated-values, 777 data points
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  • 24
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    (Table 2) Trace element concentrations of samples from DSDP Hole 91-596 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 91-596; Antimony; Arsenic; Barium; Caesium; Chromium; Cobalt; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Element analysis, neutron activation (NAA); Glomar Challenger; Iridium; Iron; Leg91; Rubidium; Sample code/label; South Pacific; Tantalum; Thorium
    Type: Dataset
    Format: text/tab-separated-values, 1632 data points
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  • 25
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    (Table 3) Age model of DSDP Hole 94-607 in the North Atlantic (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 94-607; Age, comment; Age model; Age model, paleomag, Berggren et al (1985); Deep Sea Drilling Project; Depth, bottom/max; Depth, composite; Depth, composite bottom; Depth, composite top; DEPTH, sediment/rock; Depth, top/min; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg94; North Atlantic/FLANK
    Type: Dataset
    Format: text/tab-separated-values, 42 data points
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  • 26
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    (Table 2) Stable isotope ratios of benthic foraminifera from DSDP Hole 64-480 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 64-480; Bolivina spp., δ13C; Bolivina spp., δ18O; Buliminella sp., δ13C; Buliminella sp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg64; North Pacific/Gulf of California/BASIN; Planulina ariminensis, δ13C; Planulina ariminensis, δ18O; Sample code/label; Uvigerina sp., δ13C; Uvigerina sp., δ18O
    Type: Dataset
    Format: text/tab-separated-values, 396 data points
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  • 27
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    Abundance and biomass of the benthic infauna of the North Sea (1992)
    PANGAEA
    In:  Supplement to: Aldridge, John N; Bergman, Magda J N; Bolam, T; Craeymeersch, Johan A; Degraer, Steven; Duineveld, Gerard C A; Eggleton, J D; Goethals, P; Hillewaert, H; Irion, G; Kershaw, P J; Kröncke, Ingrid; Lavaleye, Marc; Mason, Claire; Rachor, Eike; Rees, H L; Reiss, Henning; Rumohr, Heye; Schratzberger, M; Smith, R; Vanden Berghe, E; van Hoey, G; Vincx, Magda; Willems, W (2007): Structure and dynamics of the North Sea benthos. Ices Cooperative Research Report-Rapport des Recherches Collectives, 288, 265 pp, hdl:10013/epic.34479.d001
    Details
    Publication Date: 2023-08-05
    Description: In 1986 participants of the Benthos Ecology Working Group of ICES conducted a synoptic mapping of the infauna of the southern and central North Sea. Together with a mapping of the infauna of the northern North Sea by Eleftheriou and Basford (1989, doi:10.1017/S0025315400049158) this provides the database for the description of the benthic infauna of the whole North Sea in this paper. Division of the infauna into assemblages by TWINSPAN analysis separated northern assemblages from southern assemblages along the 70 m depth contour. Assemblages were further separated by the 30, 50 m and 100 m depth contour as well as by the sediment type. In addition to widely distributed species, cold water species do not occur further south than the northern edge of the Dogger Bank, which corresponds to the 50 m depth contour. Warm water species were not found north of the 100 m depth contour. Some species occur on all types of sediment but most are restricted to a special sediment and therefore these species are limited in their distribution. The factors structuring species distributions and assemblages seem to be temperature, the influence of different water masses, e.g. Atlantic water, the type of sediment and the food supply to the benthos.
    Keywords: ICES 100; ICES 110; ICES 118; ICES 125; ICES 126; ICES 127; ICES 128; ICES 129; ICES 130; ICES 131; ICES 137; ICES 138; ICES 139; ICES 140; ICES 141; ICES 147; ICES 148; ICES 149; ICES 150; ICES 151; ICES 152; ICES 158; ICES 159; ICES 160; ICES 161; ICES 162; ICES 163; ICES 168; ICES 169; ICES 170; ICES 171; ICES 172; ICES 173; ICES 55; ICES 63; ICES 72; ICES 81; ICES 90; MarGIS_DANS_Label: ICES8586BSe_8; North Sea; van Veen Grab; VGRAB; VH1486; VH1486_055; VH1486_063; VH1486_072; VH1486_081; VH1486_090; VH1486_100; VH1486_110; VH1486_118; VH1486_125; VH1486_126; VH1486_127; VH1486_128; VH1486_129; VH1486_130; VH1486_131; VH1486_137; VH1486_138; VH1486_139; VH1486_140; VH1486_141; VH1486_147; VH1486_148; VH1486_149; VH1486_150; VH1486_151; VH1486_152; VH1486_158; VH1486_159; VH1486_160; VH1486_161; VH1486_162; VH1486_163; VH1486_168; VH1486_169; VH1486_170; VH1486_171; VH1486_172; VH1486_173; Victor Hensen; xxxVH1486_091; xxxVH1486_101; xxxVH1486_111; xxxVH1486_124; xxxVH1486_165; xxxVH1486_175; xxxVH1486_177; xxxVH1486_179; xxxVH1486_181; xxxVH1486_184; xxxVH1486_186; xxxVH1486_189; xxxVH1486_192; xxxVH1486_194; xxxVH1486_196; xxxVH1486_199; xxxVH1486_201; xxxVH1486_202; xxxVH1486_205; xxxVH1486_208; xxxVH1486_209; xxxVH1486_210; xxxVH1486_212; xxxVH1486_215; xxxVH1486_217; xxxVH1486_220; xxxVH1486_221; xxxVH1486_222; xxxVH1486_223; xxxVH1486_226; xxxVH1486_227; xxxVH1486_230; xxxVH1486_233; xxxVH1486_234; xxxVH1486_235
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 28
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    (Table A1) Stable carbon and oxygen isotope ratios of Cibicidoides spp. from DSDP Hole 81-552A in the North Atlantic (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 81-552A; Age model; Age model, paleomag, Berggren et al (1985); Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Isotope ratio mass spectrometry; Leg81; North Atlantic/PLATEAU
    Type: Dataset
    Format: text/tab-separated-values, 408 data points
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  • 29
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    (Table A3) Stable carbon and oxygen isotope ratios of Cibicidoides spp. from DSDP Hole 94-610A in the North Atlantic (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 94-610A; Age model; Age model, paleomag, Berggren et al (1985); Cibicidoides spp., δ13C; Cibicidoides spp., δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg94; Mass spectrometer Finnigan MAT 251; North Atlantic/RIDGE
    Type: Dataset
    Format: text/tab-separated-values, 1011 data points
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  • 30
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    Table 1: U-Pb analyses of zircons and monazites of paragneisses which belong to the high grade metamorphic basement of Wilson Terrane (1992)
    PANGAEA
    In:  Supplement to: Klee, Susanne; Baumann, Albrecht; Thiedig, Friedhelm (1992): 9. Age relations of the high grade metamorphic rocks in the Terra Nova Bay Area, North Victoria Land, Antarctica: a preliminary report. Polarforschung, 60(2), 101-106, hdl:10013/epic.29659.d001
    Details
    Publication Date: 2023-07-11
    Description: Samples of high grade metamorphic basement rocks of Wilson Terrane cropping out in the Deep Freeze Range and on Kay Island were collected during GANOVEX VI to study their isotopic evolution. The age and origin of granulite facies gneisses and of their migmatite host rocks are especially of interest for the interpretation of the geological and tectonic development of North Victoria Land. Another important research aspect is the influence of the polyphase metamorphic evolution on the isotopic systems of whole rocks and minerals like zircon, garnet, orthopyroxene, amphibole and feldspar.
    Keywords: 500 m NE of Gondwana Station; Age, 206Pb/207Pb Lead-Lead; Age, 235U/207Pb Uranium-Lead; Age, 238U/206Pb Uranium-Lead; Age, dated; ANT102; ANT104; Comment; DEPTH, sediment/rock; Event label; Geological sample; GEOS; Lead; Lead-206; Lead-206/Uranium-238 ratio; Lead-207/Lead-206 ratio; Lead-207/Uranium-235 ratio; Lead-208/Lead-206 ratio; Sample code/label; Sample mass; Size fraction; Uranium; Wilson Terrain, North Victoria Land, Antarctica
    Type: Dataset
    Format: text/tab-separated-values, 192 data points
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  • 31
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    (Table 3) Structure of bacterial poplations from surface sediments of the Sierra Leone Abyssal Plain (1992)
    PANGAEA
    Details
    Publication Date: 2023-11-01
    Keywords: Atlantic Ocean; Bacterial strains, alteromonas; Bacterial strains, bacillus; Bacterial strains, gram-positiv cocci; Bacterial strains, pseudomonas; Bacterial strains, unidentified gram-negative; Bacterial strains, unidentified gram-positive; Bacterial strains, vibrio; CT; Depth, bathymetric, maximum; Depth, bathymetric, minimum; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GEOTROPEX 83, NOAMP I; Incubation of surface soil/sediment, ex-situ; LATITUDE; LONGITUDE; M65; M65-track; Meteor (1964); Number of isolates; Sample code/label; Temperature, in rock/sediment, maximum; Temperature, in rock/sediment, minimum; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 198 data points
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  • 32
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    Pollen analysis of sediment profile KOE0 from Königseggsee (1990)
    PANGAEA
    In:  Supplement to: Homann, Marion; Merkt, Josef; Müller, Helmut (1990): Über Alter und Entwicklung des Königseggsees bei Hoßkirch (Oberschwaben). Jahreshefte des Geologischen Landesamts Baden-Württemberg, Freiburg, 32, 247-254, hdl:10013/epic.35165.d001
    Details
    Publication Date: 2023-11-01
    Description: A core from the deepest part of lake Königsegg. near Ostrach (Oberschwaben), has been studied palynologically and lithologically. The core is only 4.6 m long; lacustrine sedimentation began in the Oldest Dryas. The Alleroedian pumice tuff from Laacher See (Eifel) is present. The origin of the lake as a dead ice lake and its limnogeological development are briefly discussed.
    Keywords: Abies; Acer; Acroperus harpae; Alnus; Alona affinis; Alonella nana; Apiaceae apioide-type; Artemisia; Ascomorpha ovalis; Betula; Bosmina sp.; Brassicaceae; Calluna; Camptocercus rectirostris; Carpinus betulus; Caryophyllaceae; Centaurea cyanus; Changes in the Geo-Biosphere during the last 15000 years; Chaoborus flavicans; Chenopodiaceae; Chydorus sphaericus; Coelastrum polychordum; Collotheca sp.; Conochilus unicornis; Corylus; Cosmarium sp.; Counting, palynology; Cynarae; Cyperaceae; Daphnidae mandibles and claws; DEPTH, sediment/rock; Dryopteris; Ephedra distachya-type; Erica tetralix-type; Euastrum sp.; Eurycercus lamellatus; Fagus; Filinia longiseta passa/Filinia hofmanni; Filipendula; Fraxinus; GeoBio15k; Hedera; Helianthemum; Humulus and Cannabis; Juniperus; KOE0; Königseggsee; LakeSedNLfB; Lamiaceae; Nymphaea; Nymphaeaceae: trichome; PC_SM; Pediastrum boryanum ssp. boryanum; Pediastrum boryanum ssp. longicorne; Pediastrum duplex; Pediastrum integrum; Picea; Pinus; Piston corer Streif/Merkt; Plantago lanceolata; Plantago major; Plantago media; Pleuroxus trigonellus; Polypodiaceae; Pteridium; Quercus; Ranunculus subgen. Batrachium-type; Rubiaceae cf. galium; Rumex; Salix; Sampling/drilling in lake; Sanguisorba minor; Secale cereale; Sida crystallina; Sphagnum; Taxus; Thalictrum; Thelypteris palustris; Tilia; Triticum/Hordeum; Tubuliflorae other; Ulmus; Varia
    Type: Dataset
    Format: text/tab-separated-values, 949 data points
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  • 33
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    Pollen profile LAGODEH, Lagodekhi, Georgia (1990)
    PANGAEA
    In:  European Pollen Database (EPD) | Supplement to: Kvavadze, Eliso V; Efremov, Yurii Y (1990): The results of palynogical studies of the Holocene deposites in the highlands of the Lagodekhi Reservation (Eastern Georgia). Bulletin of the Academy of Sciences of the Georgian SSR, 139(3), 641-644, hdl:10013/epic.37432.d001
    Details
    Publication Date: 2023-11-01
    Description: Limno-glacial deposits 110 cm in thickness in the upper alpine belt have been investigated. It is established that during the Yuanakhchiri period of glaciation in the region under study a glacial cirque was situated at an altitude of 2750 m a.s.l. After the glacier retreated, a lake was formed in its bed which existed till the second noticeable cooling in the second half of SA2 (1600-1500 years ago).
    Keywords: Abies nordmanniana; Acer; Alnus; Artemisia; Aster; Betula; Boraginaceae; Botrychium lunaria; Campanula; Carpinus betulus; Carpinus orientalis; Caryophyllaceae; Castanea sativa; Cerealia-type; Chenopodiaceae; Cichorium; Cirsium; Compositae; Corylus; Cyperaceae; DEPTH, sediment/rock; Ephedra; Fagus orientalis; Geraniaceae; Gramineae; Indeterminable: unknown; Juglans regia; Juncus; Knautia; Labiatae; LAGODEH; Lagodekhi, Georgia; Leguminosae; Liliaceae; Onagraceae; Picea orientalis; Pinus; Plantaginaceae; Plumbaginaceae; Polygonaceae; Polypodiaceae undifferentiated; Polypodium vulgare; Pterocarya pterocarpa; Quercus; Ranunculaceae; Rhododendron; Scabiosa; Spade; SPADE; Sparganium; Sphagnum; Taraxacum; Tilia; Ulmus; Umbelliferae; Valeriana; Veronica; Viola
    Type: Dataset
    Format: text/tab-separated-values, 477 data points
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  • 34
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    (Table 4) Benthic foraminifera in Northwest Indian Ocean surface sediments (1990)
    PANGAEA
    Details
    Publication Date: 2023-11-09
    Keywords: Adercotryma glomeratum; Ammodiscus incertus; Ammomarginulina foliacea; Arabian Sea; Astrononion novozealandicum; Baggina sp.; BC; Biloculinella inflata; Bolivina alata; Bolivina ordinaria; Bolivina pseudoplicata; Bolivina pygmaea; Bolivina seminuda; Box corer; Bulimina aculeata; Bulimina denudata; Bulimina mexicana; Bulimina sp.; Bulimina translucens; Bulimina truncana; Cancris sagra; Cassidulina carinata; CD17; CD17-05; CD17-06; CD17-14; CD17-15; CD17-17; CD17-18; CD17-23; CD17-25; CD17-27; CD17-28; CD17-29; CD17-30; CD17-32; CD17-33; CD17-34; CD17-35; CD17-36; CD17-39; CD17-42; Charles Darwin; Chilostomella oolina; Chilostomella ovoidea; Cibicidoides robertsonianus; Cibicidoides umbonatus; Cibicidoides wuellerstorfi; Counting 〉125 µm fraction; Cribrostomoides ringens; Cribrostomoides wiesneri; Cyclammina cancellata; Dentalina spp.; DEPTH, sediment/rock; Discorbinella floridensis; Eggerella bradyi; Ehrenbergina trigona; Elevation of event; Elphidium discoidale; Elphidium macellum; Environment; Epistominella exigua; Event label; Fissurina spp.; Florilus grateloupi; Florilus sp.; Foraminifera, benthic; Foraminifera, benthic indeterminata; Gavelinopsis lobatulus; Globobulimina spp.; Globocassidulina subglobosa; Glomospira charoides; Glomospira gordialis; Gyroidina altiformis; Gyroidina neosoldanii; Hanzawaia sp.; Haplophragmoides rotulatum; Hoeglundina elegans; Hormosina globulifera; Hyalinea balthica; Indian Ocean; Karreriella apicularis; Karreriella bradyi; Lagena spp.; Laticarinina halophora; Latitude of event; Lenticulina calcar; Lenticulina iota; Lenticulina peregrina; Longitude of event; Martinottiella communis; Melonis barleeanus; Melonis pompilioides; Nodosaria spp.; Nonionella basiloba; Ophthalmidium pusillum; Oridorsalis umbonatus; Orthomorphina filiformis; Osangularia culter; PC; Piston corer; Planulina ariminensis; Plectofrondicularia californica; Pullenia bulloides; Pullenia quinqueloba; Pullenia salisburyi; Pyrgo murrhina; Pyrgo serrata; Pyrgo sp.; Quadrimorphina laevigata; Recurvoides contortus; Recurvoides scitulum; Reophax bilocularis; Reophax dentaliniformis; Reophax scorpiurus; Reophax sp.; Rotalitiina sp.; Saracenaria italica; Saracenaria latifrons; Saracenaria sp.; Sigmoilina edwardsi; Sigmoilinita tenuis; Sigmoilopsis schlumbergeri; Siphoeggerella siphonella; Siphotextularia affinis; Siphotextularia curta; Sphaeroidina bulloides; Textularia bermudezi; Textularia lythostrata; Textularia mexicana; Trifarina angulosa; Triloculina tricarinata; Tritaxia sp.; Trochammina globigeriniformis; Trochammina sp.; Uvigerina auberiana; Uvigerina hispida; Uvigerina peregrina; Uvigerina sp.; Uvigerina spinicostata; Virgulinella pertusa
    Type: Dataset
    Format: text/tab-separated-values, 2071 data points
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  • 35
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    14C activity of Antarctic lichens (1992)
    PANGAEA
    In:  Supplement to: Willkomm, Horst; Bölter, Manfred; Kappen, Ludger (1992): Age estimation of Antarctic Macrolichens by radiocarbon measurements. Polarforschung, 61(2/3), 103-112, hdl:10013/epic.29685.d001
    Details
    Publication Date: 2023-08-26
    Description: By the nuclear bomb tests during the 1950s and early 1960s, the radiocarbon content of the atmospheric CO, on the Southern Hemisphere rose within a few years from 98 to 162% of the standard recent value and then dropped to 122% (at the end of 1984). This rapid fluctuation was used to determine the lifetime of five species of lichens collected in the beginning of 1985 in the maritime Antarctic. Under the assumption that Lichens assimilate each year carbon at the same rate and that carbon once fixed at least in main branches never will be exchanged later on. The age of mature thalli of Caioplaco regalis, Ramalino tetebrata and Ustiea antarctica was determined to 32 years, while U, aurantiaco-atra and Himantormia lugubris gave an age of ca. 38 years and ca. 60 years, respectively.
    Keywords: Arctowski_Meteo; Arctowski-Station; Henryk Arctowski Polish Ant. Station; King George Island, Antarctic Peninsula; Long-term meteorological data; STAT; Station
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 36
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    Tab. 1: 14C activity relative to standard recent value of Antarctic lichens (1992)
    PANGAEA
    Details
    Publication Date: 2023-08-26
    Keywords: Activity; Activity, standard deviation; Arctowski_Meteo; Arctowski-Station; Henryk Arctowski Polish Ant. Station; King George Island, Antarctic Peninsula; Long-term meteorological data; Sample, optional label/labor no; Species; STAT; Station; δ13C
    Type: Dataset
    Format: text/tab-separated-values, 20 data points
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  • 37
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    Description and chemical composition of manganese nodules during R/V "Tyro" cruise APNAP 1 to the Madeira Abyssal Plain in 1986 (1992)
    PANGAEA
    In:  Supplement to: de Lange, Gert J; van Os, B; Poorter, R (1992): Geochemical composition and inferred accretion rates of sediments and managanese nodules from a submarine hill in the Madeira Abyssal Plain, eastern North Atlantic. Marine Geology, 109(1-2), 171-194, https://doi.org/10.1016/0025-3227(92)90227-9
    Details
    Publication Date: 2023-08-28
    Description: The porewater and sediment composition of two boxcores and of a small gravity core, taken on a manganese-nodule-covered hill and in the Madeira Abyssal Plain proper respectively, are compared. The pore-water study of the two boxcores indicates that oxic conditions prevail in both cores. In addition, it indicates that no detectable fluxes of Mn or Fe occur from the porewater to the ocean bottom water. Variations in the geochemical composition of the sediments can be explained by fluctuations in the amount of carbonate, which acts as a diluting agent. A clear carbonate minimum is observed at 20-22 cm depth in the two cores. This minimum is likely to be associated with the last glacial period (10-20 kyr B.P.). This association is supported by the sediment accumulation rate of 15 mm/kyr as found by extrapolation from the rate for pelagic sediments in the Madeira Abyssal Plain. The bulk composition of the manganese nodules recovered from the submarine hill is chemically almost identical to the average composition of Atlantic nodules. The trace metal and Rare Earth Elements composition indicate a hydrogenous origin for the manganese nodules of this study. On the basis of the chemical composition, and that of nodules relative to that of the adjacent sediments, an average nodule accretian rate of 2.8-3.3 mm/myr has been calculated. Although the analyses of the entire ferromanganese nodules that have been studied seem to indicate a homogenous composition, internal structures of the nodules reveal great inhomogeneity, both visually and chemically. These fluctuations may be related to variations in the fluxes of Mn and Fe, which in turn could be climate-related.
    Keywords: NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 38
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    (Table 2, page 50) Toolik lake sediment chemistry (0-1 cm interval) (1992)
    PANGAEA
    In:  Supplement to: Cornwell, Jeffrey C; Kipphut, G W (1992): Biogeochemistry of manganese- and iron-rich sediments in Toolik Lake, Alaska. Hydrobiologia, 240(1-3), 45-59, https://doi.org/10.1007/BF00013451
    Details
    Publication Date: 2023-08-28
    Description: The sediments within Toolik Lake in arctic Alaska are characterized by extremely low rates of organic matter sedimentation and unusually high concentrations of iron and manganese. Pore water and solid phase measurements of iron, manganese, trace metals, carbon, nitrogen, phosphorus, and sulfur are consistent with the hypothesis that the reduction of organic matter by iron and manganese is the most important biogeochemical reaction within the sediment. Very low rates of dissolved oxygen consumption by the sediments result in an oxidizing environment at the sediment-water interface. This results in high retention of upwardly-diffusing iron and manganese and the formation of metal-enriched sediment. Phosphate in sediment pore waters is strongly adsorbed by the metal-enriched phases. Consequently, fluxes of phosphorus from the sediments to overlying waters are very small and contribute to the oligotrophic nature of the Toolik Lake aquatic system. Toolik Lake contains an unusual type of lacustrine sediment, and in many ways the sediments are similar to those found in oligotrophic oceanic environments.
    Keywords: Aluminium; Atomic absorption spectrometry (AAS); Barium; Biogenic silica; Calcium; Carbon, organic, total; Carbon in carbonate; Chromium; Cobalt; Colorimetric; Copper; Core; CORE; Depth, bathymetric; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Element analyser CHN; Event label; Gas chromatography; Iron; Latitude of event; Longitude of event; Magnesium; Manganese; Nickel; Nitrogen, total; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Phosphorus; Potassium; TCK-A; TCK-B; TCK-C; TCK-D; TCK-E; TCK-F; TCK-G; TCK-H; TCK-I; TCK-J; TCK-K; TCK-L; Toolik Lake, Alaska; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 243 data points
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  • 39
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    Description of manganese nodules collected by R/V "Tyro" during its 1986 cruise over the Madeira Abyssal Plain (1992)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: 86B12; 86B26; APNAP1; Atlantic Ocean; BC; Box corer; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Elevation of event; Event label; Latitude of event; Longitude of event; Method/Device of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sample ID; Sediment type; Size; T86-B12; T86-B26; Tyro
    Type: Dataset
    Format: text/tab-separated-values, 34 data points
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  • 40
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    (Table 3, page 184) Chemical composition of a manganese nodule from the Madeira Abyssal Plain, R/V "Tyro" cruise APNAP 1 (1992)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: 86B12; Aluminium; APNAP1; Arsenic; Atlantic Ocean; Barium; BC; Box corer; Cadmium; Calcium; Cerium; Chromium; Cobalt; Copper; DEPTH, sediment/rock; Description; Europium; Hafnium; Inductively coupled plasma - mass spectrometry (ICP-MS); Iron; Lanthanum; Lead; Lutetium; Magnesium; Manganese; Molybdenum; Neodymium; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Phosphorus; Potassium; Samarium; Sample ID; Sodium; Strontium; Sulfur, total; T86-B12; Terbium; Thorium; Titanium; Tyro; Vanadium; Ytterbium; Yttrium; Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 41
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    Field observation of fossil manganese nodules in the the Jurassic to Cretaceous radiolarites of Costa Rica (1992)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Comment; Deposit type; Description; Event label; HALCSR-A; HALCSR-B; HAM; Hammer; Identification; Mina el Frances, Costa Rica; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Punta Conchal, Costa Rica; Quantity of deposit; Sediment type; Size
    Type: Dataset
    Format: text/tab-separated-values, 14 data points
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  • 42
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    Composition of fossil manganese nodules from Costa Rica (1992)
    PANGAEA
    In:  Supplement to: Halbach, Peter; Gursky, H J; Gursky, M M; Schmidt-Effing, R; Maresch, W V (1992): Composition and formation of fossil manganese nodules in Jurassic to Cretaceous radiolarites from the Nicoya Ophiolite Complex (NW Costa Rica). Mineralium Deposita, 27(2), 153-160, https://doi.org/10.1007/BF00197101
    Details
    Publication Date: 2023-08-28
    Description: Horizons of several types of Upper Jurassic to Lower Cretaceous manganese nodules occur locally in sequences of radiolarian cherts within the Nicoya Ophiolite Complex (NW Costa Rica). Field studies, X-ray diffraction analysis, petrographic, chemical and experimental studies give evidence of a sedimentary, early diagenetic origin of the nodules, in contrast to earlier suggestions. Smooth, discoidal, compact and very dense nodules with diameters of some mm to 9 cm dominate. They are characterized by braunite, hollandite, pyrolusite and quartz as well as 39-61% Mn, 0.9-1.6% Fe, 5-26% SiO2, 1.3-1.9% Al2O3, 1.5-3.0% Ba, 460-5400 ppm Cu, 85-340 ppm Ni and 40-130 ppm Co, among others. It is suggested that the original mineralogy (todorokite?) was altered during thermometamorphic (braunite) and hydrothermal (hollandite. pyrolusite) events. Petrographic similarities between the fossil nodules and modern deep-sea nodules are striking. Using standard hydrothermal techniques in an experimental study it is shown that under special conditions, braunite can be produced from modern nodule material.
    Keywords: NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 43
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    Annotated record of the detailed examination of Mn deposits from SOMIRMAS cruise stations (1990)
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    Publication Date: 2023-08-28
    Description: The cores and dredges described at this site were taken on the SOMIRMAS cruise from 5 July to 14 August 1990 by the MusÈum National d'Histoire Naturelle from the R/V Marion Dufresne. A total of 30 cores and dredges were recovered and are available at MNHN for sampling and study.
    Keywords: Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; DR900051; DR900056; DR900058; Dredge; DRG; Elevation of event; Event label; Feature; GS900927; GS900932; GS900933; GS900934; Indian Ocean; Latitude of event; Longitude of event; Marion Dufresne (1972); MD64; MD64-08; MD64-16; MD64-17; MD64-24; MD64-25; MD64-26; MD64-29; Method/Device of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; PC; Piston corer; Position; Quantity of deposit; Sample code/label; Sediment type; Size; Somirmas; Substrate type
    Type: Dataset
    Format: text/tab-separated-values, 86 data points
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  • 44
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    Annotated record of the detailed examination of Mn deposits from REDSED cruise stations (1992)
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    Publication Date: 2023-08-28
    Description: The cores and dredges described at this site were taken on the REDSED cruise from 2 to 22 September 1992 by the Muséum National d'Histoire Naturelle from the R/V Marion Dufresne. A total of 60 cores and dredges were recovered and are available at MNHN for sampling and study.
    Keywords: Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Feature; Marion Dufresne (1972); MD73; MD73-48; MD-GS921037; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; PC; Piston corer; Position; Redsed; Sample code/label; Sediment type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
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  • 45
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    Annotated record of the detailed examination of Mn deposits from SEYMAMA-SHIVA cruise stations (1990)
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    Details
    Publication Date: 2023-08-28
    Description: The cores and dredges described at this site were taken on the SEYMAMA-SHIVA cruise from 17 August to 14 September 1990 by the MusÈum National d'Histoire Naturelle from the R/V Marion Dufresne. A total of 33 cores and dredges were recovered and are available at MNHN for sampling and study.
    Keywords: Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Event label; Feature; GS900942; GS900943; Marion Dufresne (1972); MD65; MD65-10; MD65-11; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; PC; Piston corer; Position; Quantity of deposit; Sample code/label; Sediment type; SEYMAMA/SHIVA; Size
    Type: Dataset
    Format: text/tab-separated-values, 38 data points
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  • 46
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    Table 1. Concentration of rare earth elements in ferromanganese nodule (crust), sediment and rock of the South China Sea (1990)
    PANGAEA
    In:  Supplement to: Gende, Bao; Li, Quanxing (1990): Geochemistry and their genesis of rare earth elements of ferromanganese nodules and crusts from the South China Sea. In: Jin Xiang- long, Hermann Rudolf Kudrass and Guy Pautot (eds), Marine Geology and Geophysics of the South China Sea. China Ocean Press, Hangzhou, China, 236-245, hdl:10013/epic.46006.d012
    Details
    Publication Date: 2023-08-28
    Description: Based on the X-ray fluorescence spectrum analysis of 15 rare earth elements in 6 ferromanganese nodu1es and 5 ferro mangane se crusts from the South China Sea, their abundances, distribution patterns, sources and relationships with associated elements are discussed in detail in this paper. The results show that: 1) The average abundance of rare earth elements in ferromanganese nodu1es and crusts is 1. 625 g/kg and 2. 167 g/kg respectively, which is 1-2 tim es , 5-6 times and 15-20 times higher than that in the Pacific, in the sediments of the North Pacific and the South China Sea, respectively; 2) The distribution patterns of rare earth elements standardized by the globular aerolite in ferro mangane se nodules and crusts are basically similar, that is, Ce is positively abnormal and Eu is in deficit slightly; 3) The relationships between rare earth elements and associated elements, sediments and rocks show that the source of rare earth elements in ferromanganese nodules and crusts have mainly come from slow deposition caused by weathering and leaching of medium acidic rock of the South China Sea.
    Keywords: Cerium; Dredge; DRG; Dysprosium; Erbium; Europium; Gadolinium; Holmium; Lanthanum; Lutetium; Neodymium; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Number; Praseodymium; Reference of data; Samarium; Sample type; SCSea; South China Sea; Terbium; Thulium; Ytterbium; Yttrium
    Type: Dataset
    Format: text/tab-separated-values, 126 data points
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  • 47
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    Description of manganese deposits collected by R/V "Jean Charcot" during its HYDROAMSTERDAM expedition (1990)
    PANGAEA
    In:  INST FRANCAIS RECHERCHE EXPLOITATION MER-IFREMER
    Details
    Publication Date: 2023-08-28
    Description: The study of the South-East Indian Ridge (SEIR) between the Rodriguez triple junction and the St. Paul-Amsterdam zone is very interesting. Bathymetric data, seismic data, magnetic data, gravimetry sampling have been realized.
    Keywords: Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Event label; HYDA-D1; HYDA-D10; HYDA-D2; HYDA-D3; HYDA-D4; HYDA-D5; HYDA-D6; HYDA-D7; HYDROAMSTERDAM; Identification; Indian Ocean; Jean Charcot; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sediment type; Size; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 64 data points
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  • 48
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    (Table 7) Absolute abundances of benthic foraminifera in Neogene sediments of DSDP Site 90-588_Site in the southwest Pacific (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-24
    Keywords: 90-588_Site; Allomorphina pacifica; Anomalinoides globulosus; Anomalinoides sp.; Anomalinoides spp.; Astrononion spp.; Bolivina cf. anastomosa; Bolivina decussata; Bolivina minuta; Bolivina robusta; Bolivina seminuda; Bolivina sp.; Bolivina spp.; Bolivinopsis sp.; Bulimina rostrata; Bulimina spp.; Bulimina striata; Cassidella bradyi; Cassidulina carinata; Cassidulina sp.; Cassidulina spp.; Cibicidoides bradyi; Cibicidoides cf. opacus; Cibicidoides kullenbergi; Cibicidoides lobatulus; Cibicidoides mundulus; Cibicidoides pseudoungerianus; Cibicidoides sp.; Cibicidoides spp.; Cibicidoides wuellerstorfi; COMPCORE; Composite Core; Counting 〉63 µm fraction; Deep Sea Drilling Project; Dentalina spp.; Discorbinella bertheloti; Discorbis spp.; DSDP; DSDP/ODP/IODP sample designation; Eggerella spp.; Ehrenbergina hystrix; Ehrenbergina trigona; Epistominella exigua; Epistominella rotunda; Epistominella rugosa; Epistominella sp.; Epistominella umbonifera; Epoch; Fissurina spp.; Foraminifera, benthic; Foraminifera, benthic indeterminata; Gaudryina sp.; Gavelinella sp.; Gavelinopsis lobatulus; Globocassidulina ornata; Globocassidulina subglobosa; Glomar Challenger; Gyroidina acuta; Gyroidina broeckhiana; Gyroidina cf. quinqueloba; Gyroidina lamarckiana; Gyroidina neosoldanii; Gyroidina sp.; Gyroidina spp.; Hanzawaia spp.; Heronallenia spp.; Karreriella bradyi; Lagena spp.; Laticarinina altocamerata; Laticarinina pauperata; Leg90; Lenticulina spp.; Martinottiella spp.; Melonis barleeanus; Melonis cf. nicobarensis; Melonis spp.; Nodosaria spp.; Nonionella spp.; Oolina spp.; Ophthalmidium pusillum; Oridorsalis sp.; Oridorsalis umbonatus; Osangularia culter; Parafissurina spp.; Pleurostomella spp.; Pullenia bulloides; Pullenia osloensis; Pullenia quinqueloba; Pullenia sp.; Pullenia spp.; Pyrgo murrhina; Pyrgo spp.; Pyrulina spp.; Quinqueloculina spp.; Rectuvigerina sp.; Sample code/label; Seabrookia earlandi; Sigmoilina edwardsi; Sigmoilopsis schlumbergeri; Siphonaperta sp.; Siphonina australis; Siphotextularia rolshauseni; Siphotextularia spp.; South Pacific/Tasman Sea/CONT RISE; Sphaeroidina bulloides; Spiroloculina sp.; Stainforthia complanata; Stilostomella spp.; Textularia lythostrata; Textularia spp.; Trifarina sp.; Triloculina tricarinata; Uvigerina hispida; Uvigerina peregrina; Uvigerina proboscidea; Uvigerina spp.; Uvigerina vadescens; Vaginulina spp.; Valvulineria sp.; Virgulopsis sp.
    Type: Dataset
    Format: text/tab-separated-values, 5382 data points
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  • 49
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    Abundance of the benthic infauna of the North Sea sampled during Victor Hensen cruise VH1486 (1992)
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    Details
    Publication Date: 2023-08-05
    Keywords: Abra alba; Abra nitida; Abra prismatica; Acanthocardia echinata; Acidostoma obesum; Acidostoma sarsi; Acrenhydrosoma perplexum; Acrocnida brachiata; Acteon tornatilis; Ameira brevipes; Ameira parvula; Ameira pusilla; Ameira sp.; Ameiropsis brevicornis; Ameiropsis mixta; Ampelisca brevicornis; Ampelisca diadema; Ampelisca macrocephala; Ampelisca spinipes; Ampelisca tenuicornis; Ampelisca typica; Ampharete; Ampharete baltica; Ampharete falcata; Ampharete finmarchica; Amphicteis gunneri; Amphictene auricoma; Amphitrite cirrata; Amphiura chiajei; Amphiura filiformis; Anaitides; Anaitides groenlandica; Anaitides longipes; Anaitides mucosa; Anaitides rosea; Anobothrus gracilis; Antalis entalis; Anthozoa; Antinoella sarsi; Aonides paucibranchiata; Aoridae; Apherusa ovalipes; Aphrodita aculeata; Arctica islandica; Arenocaris bifida; Arenosetella germanica; Arenosetella sp.; Aricidea catherinae; Aricidea cerrutii; Aricidea simonae; Armina loveni; Ascidiacea; Asellopsis intermedia; Astarte sulcata; Bathyporeia elegans; Bathyporeia tenuipes; Brachyura; Brada villosa; Bradya scotti; Bradya typica; Brissopsis lyrifera; Bulbamphiascus imus; Bulbamphiascus sp.; Byblis gaimardi; Callianassa subterranea; Campylaspis glabra; Campylaspis rubicunda; Canuella perplexa; Capitellidae; Chaetoderma nitidulum; Chaetoparia nilssoni; Chaetopterus variopedatus; Chaetozone setosa; Chamelea gallina; Cheirocratus intermedius; Cirratulus cirratus; Cletodes limicola; Cletodes longicaudatus; Cletodes pusillus; Cletodes sp.; Cletodes tenuipes; Cletodidae sp.; Cnidaria; Cochlodesma praetenue; Colus gracilis; Copepoda; Corbula gibba; Corophium crassicorne; Corystes cassivelaunus; Counting; Curveulima macrophthalmica; Cylichna cylindracea; Dactylopusia tisboides; Danielssenia typica; Date/Time of event; DEPTH, sediment/rock; Diastylis boecki; Diastylis bradyi; Diastylis laevis; Diastylis lucifera; Diastylis rathkei; Diplocirrus glaucus; Ditrupa arietina; Dosinia exoleta; Dyopedos monacanthus; Echinocardium cordatum; Echinocardium flavescens; Echinocyamus pusillus; Echiurus echiurus; Eclysippe vanelli; Ectinosoma melaniceps; Ectinosoma normani; Ectinosoma sp.; Ectinosoma tenuipes; Enhydrosoma buchholtzi; Enhydrosoma sp.; Enipo kinbergi; Enteropneusta; Epitonium trevelyanum; Ericthonius difformis; Eriopisa elongata; Eteone flava; Eteone foliosa; Eteone longa; Euclymene; Euclymene droebachiensis; Eudorella emarginata; Eudorella truncatula; Eudorellopsis deformis; Eulima bilineata; Eumida sanguinea; Eusyllis blomstrandi; Euterpina acutifrons; Evansula pygmaea; Event label; Exogone hebes; Exogone verugera; Fabulina fabula; Facelina bostoniensis; Gammaropsis nitida; Gari fervensis; Gastrotricha; Gattyana cirrosa; Glycera; Glycera alba; Glycera celtica; Glycera lapidum; Glycera rouxi; Glycera tridactyla; Glycinde nordmanni; Goniada maculata; Goniada norvegica; Halectinosoma gothiceps; Halectinosoma herdmani; Halectinosoma propinquum; Halectinosoma sarsi; Halectinosoma sp.; Haloschizopera bulbifera; Haloschizopera pygmaea; Haploops tubicola; Harmothoe; Harmothoe antilopes; Harmothoe castanea; Harmothoe glabra; Harmothoe impar; Harmothoe lunulata; Harmothoe mcintoshi; Harpinia antennaria; Harpinia crenulata; Hastigerella sp.; Hemilamprops rosea; Heteroclymene robusta; Heterolaophonte sp.; Heterolaophonte stroemi; Hippomedon denticulatus; Holothurioidea; Hyala vitrea; Hyalinoecia tubicola; Hyas coarctatus; Hydroides norvegica; Hydrozoa; ICES 100; ICES 109; ICES 110; ICES 118; ICES 119; ICES 120; ICES 125; ICES 126; ICES 127; ICES 128; ICES 129; ICES 130; ICES 131; ICES 137; ICES 138; ICES 139; ICES 140; ICES 141; ICES 142; ICES 143; ICES 147; ICES 148; ICES 149; ICES 150; ICES 151; ICES 152; ICES 153; ICES 158; ICES 159; ICES 160; ICES 161; ICES 162; ICES 163; ICES 168; ICES 169; ICES 170; ICES 171; ICES 172; ICES 173; ICES 55; ICES 63; ICES 72; ICES 81; ICES 90; ICES 99; Idyanthe pusilla; Idyella exigua; Idyella major; Idyella pallidula; Idyellopsis typica; Interleptomesochra eulittoralis; Interleptomesochra tenuicornis; Iphimedia obesa; Isopoda; Kinorhyncha; Lagis koreni; Langerhansia cornuta; Lanice conchilega; Laonice cirrata; Laophonte cornuta; Laophonte inornata; Laophonte longicaudata; Latitude of event; Leptastacus laticaudatus; Leptastacus sp.; Leucothoe lilljeborgi; Levinsenia gracilis; Liocarcinus holsatus; Longipedia coronata; Longipedia helgolandica; Longipedia scotti; Longitude of event; Lucinoma borealis; Lumbrineris; Lumbrineris fragilis; Lumbrineris hibernica; Lumbrineris latreilli; Lumbrineris tetraura; Lunatia montagui; Lunatia poliana; Lysilla loveni; Mactra stultorum; Magelona; Magelona alleni; Maldane sarsi; Maldanidae; MarGIS_DANS_Label: ICES8586BSe_8; Megamphopus cornutus; Microphthalmus; Minuspio cirrifera; Molgula; Montacuta substriata; Mya truncata; Myriochele; Mysella bidentata; Nebalia bipes; Nematoda; Nemertea; Neomenia carinata; Nephtys; Nephtys caeca; Nephtys hombergii; Nephtys incisa; Nephtys longosetosa; Nereimyra punctata; Nereiphylla; Nereis zonata; Nicomache; Nicomache lumbricalis; North Sea; Nothria conchylega; Notomastus latericeus; Nucula nitidosa; Nuculoma tenuis; Nyctiphanes couchi; Ophelia borealis; Ophelina acuminata; Ophiodromus flexuosus; Ophiura affinis; Ophiura albida; Ophiura ophiura; Orbinia sertulata; Ostracoda; Owenia fusiformis; Paphia rhomboides; Paralaophonte congenera; Paraleptastacus espinulatus; Paraleptastacus holsaticus; Paraleptastacus spinicauda; Paramphiascoides vararensis; Paramphiascopsis longirostris; Paramphinome jeffreysii; Paramphitrite tetrabranchia; Paranannopus sp.; Parapleustes bicuspis; Parvicardium minimum; Phaxas pellucidus; Philine quadrata; Philine scabra; Philomedes globosus; Pholoe; Phoronis; Photis longicaudata; Photis reinhardi; Phoxocephalus holbolli; Phtisica marina; Pisione remota; Poecilochaetus serpens; Polychaeta; Polydora caulleryi; Polydora ciliata; Polynoidae; Polyphysia crassa; Pontocrates; Pontocrates longimanus; Praxillella affinis; Praxillura longissima; Priapulida; Prionospio malmgreni; Proameira hiddensoensis; Proameira sp.; Protomedeia fasciata; Psammotopa phyllosetosa; Pseudameira crassicornis; Pseudameira perplexa; Pseudameira sp.; Pseudamphiascopsis herdmani; Pseudobradya pulchella; Pseudobradya sp.; Pseudocuma simile; Pseudolaophonte spinosa; Pseudomesochra longifurcata; Pseudomesochra sp.; Pseudonychocamptus proximus; Pseudopolydora cf. pauchibranchiata; Pseudopolydora pulchra; Pseudosarsameira exilis; Pseudotachidius coronatus; Rhodine gracilior; Sabellidae; Sample code/label; Samytha sexcirrata; Sarsameira parva; Sarsameira sp.; Saxicavella jeffreysi; Scalibregma inflatum; Scolelepis bonnieri; Scolelepis tridentata; Scoloplos armiger; Scopelocheirus hopei; Sicameira leptoderma; Siphonoecetes striatus; Sipunculida indeterminata; Spatangus purpureus; Sphaerodorum flavum; Spiochaetopterus typicus; Spio filicornis; Spio mecznikowianus; Spiophanes bombyx; Spiophanes kroeyeri; Spisula subtruncata; Stenhelia aemula; Stenhelia gibba; Stenhelia sp.; Stenothoe monoculoides; Sthenelais limicola; Streblosoma bairdi; Stylicletodes longicaudatus; Synelmis klatti; Tachidiella minuta; Tachidiella sp.; Tachidiopsis cyclopoides; Tanaidacea; Tardigrada; Tellimya ferruginosa; Terebellides stroemii; Tharyx; Thelepus cincinnatus; Thracia phaseolina; Thyasira; Thyasira ferruginea; Timoclea ovata; Tiron spiniferum; Tisbe sp.; Tmetonyx cicada; Travisia forbesii; Trichobranchus roseus; Tridonta montagui; Tritonia hombergii; Tryphosites longipes; Turbellaria; Turbonilla crenata; Turritella communis; Typhlamphiascus confusus; Typhlamphiascus gracilis; Unciola planipes; Urothoe elegans; van Veen Grab; VGRAB; VH1486; VH1486_055; VH1486_063; VH1486_072; VH1486_081; VH1486_090; VH1486_099; VH1486_100; VH1486_109; VH1486_110; VH1486_118; VH1486_119; VH1486_120; VH1486_125; VH1486_126; VH1486_127; VH1486_128; VH1486_129; VH1486_130; VH1486_131; VH1486_137; VH1486_138; VH1486_139; VH1486_140; VH1486_141; VH1486_142;
    Type: Dataset
    Format: text/tab-separated-values, 27432 data points
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  • 50
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    (Table 5) Occurrence chart of Paleogene diatom species in DSDP holes 23-219 and 24-236 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 23-219; 24-236; Abas wittii; Actinoptychus senarius; Actinoptychus splendens; Arachnoidiscus spp.; Archaeomonadaceae; Asterolampra grevillei; Asterolampra marylandica; Asterolampra punctifera; Asterolampra vulgaris; Aulacodiscus spp.; Aulacoseira granulata; Baxteriopsis brunii; Bogorovia veniamini; Briggera spp.; Cestodiscus convexus; Cestodiscus demergitus; Cestodiscus gemmifer; Cestodiscus mukhinae; Cestodiscus parmulus; Cestodiscus pulchellus; Cestodiscus reticulatus; Cestodiscus sp.; Cestodiscus stokesianus; Cestodiscus trochus; Chaetoceros asymmetricus; Chaetoceros sp.; Clavicula spp.; Clinoptilolite; Cocconeis spp.; Coscinodiscus argus; Coscinodiscus extravagans; Coscinodiscus grossheimii; Coscinodiscus lewisianus; Coscinodiscus marginatus; Coscinodiscus oligocenicus; Coscinodiscus radiatus; Coscinodiscus rhombicus; Coscinodiscus sp.; Craspedodiscus coscinodiscus; Craspedodiscus oblongus; Craspedodiscus umbonatus; Deep Sea Drilling Project; Dextradonator eximius; Diatom abundance; Diatom preservation; Diatoms indeterminata; Dinoflagellata; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Endictya robustus; Entogonia spp.; Epoch; Ethmodiscus spp.; Event label; Fish remains; Foraminifera; Glomar Challenger; Grammatophora spp.; Hemiaulus altar; Hemiaulus exiguus; Hemiaulus polycystinorum; Hemiaulus polycystinorum var. mesolepta; Hemiaulus subacutus; Hemiaulus taurus; Hyalodiscus spp.; Indian Ocean/Arabian Sea/RIDGE; Isthmia spp.; Kozloviella meniscosa; Kozloviella subrotunda; Leg23; Leg24; Liostephania sp.; Lisitzinia ornata; Macrora barbadensis; Melosira architecturalis; Navicula spp.; Neobrunia spp.; Paralia ornata; Paralia sp.; Phytoliths; Pollen; Pseudopodosira bella; Pseudopodosira simplex; Pseudotriceratium radiosoreticulatum; Radiolarians abundance; Rhizosolenia hebetata; Rhizosolenia interposita; Rhizosolenia sp.; Riedelia pacifica; Rocella princeps; Rocella vigilans; Rossiella symmetrica; Rouxia hannae; Rutilaria sp.; Sample code/label; Sceptroneis sp.; Silicoflagellate occurrence; Sponge spiculae; Stephanopyxis turris; Strangulonema barbadense; Synedra aff. hennedyana; Synedra jouseana; Thalassionema nitzschioides; Thalassiosira bukryi; Thalassiosira sp.; Thalassiothrix longissima; Triceratium insignis; Triceratium pauperculum; Triceratium sp.; Triceratium venosum; Volcanic fragments; Xanthiopyxis spp.
    Type: Dataset
    Format: text/tab-separated-values, 1040 data points
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  • 51
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    (Figure 2) Distribution of calcareous nannofossils in sediment core ELT13.004-PC (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: Chiasmolithus eograndis; Chiasmolithus expansus; Chiasmolithus grandis; Chiasmolithus solitus; Coccolithus formosus; Coccolithus pelagicus; DEPTH, sediment/rock; Discoaster barbadiensis; Discoaster kuepperi; Discoaster lodoensis; Discoaster saipanensis; Discoaster spp.; Discoaster sublodoensis; ELT13; ELT13.004-PC; Eltanin; Helicosphaera sp.; Markalius inversus; Nannofossil abundance; Nannofossils preservation; Neococcolithes dubius; PC; Piston corer; Reticulofenestra samodurovii; Sphenolithus moriformis; Toweius magnicrassus; Tribrachiatus orthostylus
    Type: Dataset
    Format: text/tab-separated-values, 105 data points
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  • 52
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    (Figure 5) Distribution of calcareous nannofossils in sediment core ELT24.010-PC (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: Chiasmolithus expansus; Chiasmolithus grandis; Chiasmolithus solitus; Coccolithus formosus; Coccolithus pelagicus; DEPTH, sediment/rock; Discoaster spp.; ELT24; ELT24.010-PC; Eltanin; Nannofossil abundance; Nannofossils preservation; Neococcolithes dubius; PC; Piston corer; Reticulofenestra bisecta; Reticulofenestra samodurovii; Reticulofenestra umbilicus; Sphenolithus moriformis; Sphenolithus sp.
    Type: Dataset
    Format: text/tab-separated-values, 56 data points
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  • 53
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    (Table 5) Stratigraphic distribution of calcareous nannofossils from DSDP Hole 27-261 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 27-261; Assipetra infracretacea; Axopodorhabdus cylindratus; Axopodorhabdus dietzmannii; Biscutum dubium; Biscutum ellipticum; Biscutum erismatum; Calcisphere sp.; Conusphaera mexicana minor; Cretarhabdus conicus; Crucibiscutum salebrosum; Cruciellipsis cuvillieri; Cyclagelosphaera argoensis; Cyclagelosphaera margerelii; Deep Sea Drilling Project; Diazomatolithus lehmanii; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Ethmorhabdus gallicus; Ethmorhabdus hauterivianus; Glomar Challenger; Grantarhabdus coronadventis; Haqius circumradiatus; Haquis ellipticus; Heliolithus rotundus; Indian Ocean//PLAIN; Leg27; Manivitella pemmatoidea; Microstaurus chiastus; Microstaurus quadratus; Nannofossils preservation; Pickelhaube furtiva; Podorhabdid; Retecapsa angustiforata; Retecapsa crenulata; Retecapsa surirella; Retecapsid; Rhagodiscus nebulosus; Rotelapillus laffittei; Sample code/label; Speetonia colligata; Stephanolithion bigotii; Tegumentum striatum; Tubodiscus verenae; Vagalapilla matalosa; Vagalapilla sp.; Vagalapilla stradneri; Watznaueria barnesae; Watznaueria biporta; Watznaueria britannica; Watznaueria fossacincta; Watznaueria manivitae; Watznaueria sp.; Zeugrhabdotus cooperi; Zeugrhabdotus embergeri; Zeugrhabdotus erectus; Zeugrhabdotus sp.
    Type: Dataset
    Format: text/tab-separated-values, 3976 data points
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  • 54
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    (Table 4) Ranges of benthic foraminifers from the early Oligocene to the early Miocene in DSDP Hole 22-214 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 22-214; Anomalinoides alabamensis; Anomalinoides semicribratus; Bolivina cf. pulchra; Bolivina pusilla; Bolivina sp.; Bolivina tectiformis; Bulava sp.; Bulimina alazanensis; Bulimina macilenta; Bulimina semicostata; Bulimina sp.; Bulimina striata; Buliminella sp.; Cassidulina laevigata; Chrysalogonium equisetiformis; Cibicides laurisae; Cibicides wuellerstorfi; Cibicidoides cf. ungerianus; Cibicidoides havanensis; Cibicidoides kullenbergi; Cibicidoides praemundulus; Cibicidoides tuxpamensis; Deep Sea Drilling Project; Discorbis sp.; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Eggerella bradyi; Epistominella exigua; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides neosoldanii; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa mexicana; Indian Ocean//RIDGE; Karreriella bradyi; Karreriella chapapotensis; Leg22; Marginulina sp.; Melonis affinis; Melonis barleeanus; Nannofossil zone; Nuttallides umbonifera; Oridorsalis umbonatus; Orthomorphina koina; Orthomorphina perversa; Orthomorphina rohri; Osangularia bengalensis; Planktic foraminifera zone; Planulina renzi; Planulina sp.; Pleurostomella subcylindrica; Pleurostomellid taxa; Pullenia bulloides; Pullenia eocenica; Pullenia quinqueloba; Pyrgo murrhina; Rectuvigerina spinea; Sample code/label; Siphonodosaria modesta; Species richness; Sphaeroidina bulloides; Spiroplectammina spinosa; Stilostomella gracillima; Stilostomella insecta; Stilostomella lepidula; Stilostomella nuttalli; Stilostomella subspinosa; Textularia lythostrata; Uvigerina auberiana; Uvigerina hispidocostata; Uvigerina spinulosa; Uvigerina subproboscidea; Virgulina spp.; Vulvulina pennatula; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 711 data points
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  • 55
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    (Table 6) Ranges of benthic foraminifers through the Oligocene in DSDP Hole 22-216 (1990)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 22-216; Anomalinoides semicribratus; Bolivina cf. huneri; Bolivina sp.; Bolivina tectiformis; Bulimina alazanensis; Bulimina cf. mexicana; Bulimina macilenta; Bulimina sp.; Buliminella spp.; Cassidulina cf. laevigata; Cassidulinidae taxa; Chrysalogonium equisetiformis; Cibicidoides havanensis; Cibicidoides perlucidus; Cibicidoides praemundulus; Deep Sea Drilling Project; Discorbis vilardeboanus; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic preservation; Globocassidulina subglobosa; Glomar Challenger; Gyroidinoides altispirus; Gyroidinoides girardana; Gyroidinoides globosus; Gyroidinoides planulatus; Hanzawaia cushmani; Heterolepa grimsdalei; Indian Ocean//RIDGE; Karreriella chapapotensis; Leg22; Nannofossil zone; Nonion havanense; Nuttallides umbonifera; Orthomorphina perversa; Orthomorphina rohri; Orthomorphina umbonatus; Osangularia mexicana; Planktic foraminifera zone; Planulina renzi; Pleurostomella spp.; Pullenia bulloides; Pullenia quinqueloba; Sample code/label; Siphonodosaria modesta; Species richness; Spiroplectammina spinosa; Stilostomella lepidula; Stilostomella nuttalli; Uvigerina spinicostata; Vulvulina pennatula; Vulvulina sp.; Vulvulina spinosa
    Type: Dataset
    Format: text/tab-separated-values, 318 data points
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  • 56
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    Distribution of calcareous nannofossils in the Miocene interval of DSDP Hole 94-608 in the north Atlantic (Fig. 1) (1992)
    PANGAEA
    In:  Supplement to: Gartner, Stefan (1992): Miocene nannofossil chronology in the North Atlantic, DSDP Site 608. Marine Micropaleontology, 18(4), 307-331, https://doi.org/10.1016/0377-8398(92)90045-L
    Details
    Publication Date: 2023-07-10
    Description: DSDP North Atlantic Site 608 yielded an excellent Miocene pelagic section which affords a further opportunity for elucidating the chronology of the calcareous nannofossil succession in the framework of magnetostratigraphic control. Most of the conventional (zonal) markers have been documented for this site and some of the earlier results are confirmed and refined. In addition several unconventional and less known markers have been added. The first two are the highest (last) occurrence of Sphenolithus delphix and Sphenolithus capricornutus at 23.6 Ma, which is immediately above the Oligocene-Miocene boundary as identified by the last occurrence of Reticulofenestra bisecta at 23.7 Ma. The next unconventional datum is the highest (last) occurrence of Ilselithina fusa at 22.8 Ma, which is also the highest (last) occurrence of Helicosphaera recta. Calcidiscus tropicus' lowest (first) occurrence is at 19.5 Ma, which is also the lowest occurrence of Sphenolithus belemnos, and Calcidiscus leptoporus' lowest (first) occurrence coincides with that of Sphenolithus heteromorphus at 18.5 Ma. Sphenolithus dissimilis' highest (last) occurrence is at 18.2 Ma and the Calcidiscus premacintyrei lowest (first) and highest (last) occurrences are, respectively, at 17.7 and 11.7 Ma. Discoaster braarudii occurs from 11.6 to 11.3 Ma and its highest (last) occurrence corresponds to that of Cyclicargolithus floridanus. Minylitha convallis occurs from 9.0 to 6.9 Ma. Within the range of Minylitha, at 8.0 Ma, a major shift occurs in reticulofenestrid placoliths from dominantly large (Reticulofenestra pseudoumbilicus) and medium size (Reticulofenestra minutula) species below to significant numbers of very small species (Dictyococcites productus and Gephyrocapsa) above. This is interpreted to be a major, though perhaps seasonal, change of productivity of the North Atlantic at Site 608. A new genus and species Cryptococcolithus takayamae, is described and a variety, Reticulofenestra pseudoumbilicus var. amplus is identified.
    Keywords: 94-608; Amaurolithus delicatus; Amaurolithus ninae; Amaurolithus primus; Calcidiscus leptoporus; Calcidiscus macintyrei; Calcidiscus premacintyrei; Calcidiscus tropicus; Catinaster calyculus; Catinaster sp.; Coccolithus miopelagicus; Coccolithus pelagicus; Coccolithus pliopelagicus; Coccolithus streckeri; Coronocyclus nitescens; Cribrocentrum latipons; Cryptococcolithus takayamae; Cyclicargolithus floridanus; Cyclolithella cricota; Cyclolithella protoannula; Cyclolithella rotula; Deep Sea Drilling Project; Dictyococcites abisectus; Dictyococcites bisectus; Discoaster asymmetricus; Discoaster bellus; Discoaster berggrenii; Discoaster bollii; Discoaster braarudii; Discoaster brouweri; Discoaster calculosus; Discoaster deflandrei; Discoaster druggii; Discoaster exilis; Discoaster hamatus; Discoaster kugleri; Discoaster loeblichii; Discoaster neohamatus; Discoaster neorectus; Discoaster obtusus; Discoaster pentaradiatus; Discoaster prepentaradiatus; Discoaster quinqueramus; Discoaster surculus; Discoaster variabilis; Discolithina sp.; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Helicosphaera ampliaperta; Helicosphaera carteri; Helicosphaera granulata; Helicosphaera intermedia; Helicosphaera parallela; Helicosphaera perch-nielseniae; Helicosphaera recta; Helicosphaera sellii; Helicosphaera sp.; Helicosphaera truempyi; Ilselithina fusa; Leg94; Minylitha convallis; North Atlantic/FLANK; ORDINAL NUMBER; Reticulofenestra minuta; Reticulofenestra minutula; Reticulofenestra producta; Reticulofenestra pseudoumbilicus; Reticulofenestra pseudoumbilicus var. am; Sample code/label; Scyphosphaera amphora; Scyphosphaera pulcherrima; Sphenolithus abies; Sphenolithus belemnos; Sphenolithus capricornutus; Sphenolithus ciperoensis; Sphenolithus conicus; Sphenolithus delphix; Sphenolithus dissimilis; Sphenolithus heteromorphus; Sphenolithus moriformis; Triquetrorhabdulus carinatus; Triquetrorhabdulus milowii; Triquetrorhabdulus rugosus; Zygrhablithus bijugatus
    Type: Dataset
    Format: text/tab-separated-values, 17143 data points
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  • 57
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    (Table 1) Age determination of sediment corew HM79-4 and HM89-6.2 (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 79-4; Age, 14C milieu/reservoir corrected (-440 yr); Age, comment; Age, dated; Age, dated material; Age, dated standard deviation; Core; CORE; Depth, composite; DEPTH, sediment/rock; Event label; Håkon Mosby; HM79; HM79-4; HM79-6.2; Norwegian Sea; PC; Piston corer; Quaternary Environment of the Eurasian North; QUEEN
    Type: Dataset
    Format: text/tab-separated-values, 46 data points
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  • 58
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    (Table 3) Distribution of diatoms in Pliocene sediments of DSDP Hole 86-580 in the Northwest Pacific (1992)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 86-580; Actinocyclus curvatulus; Actinocyclus ehrenbergii; Actinocyclus ellipticus; Actinoptychus spp.; AGE; Asteromphalus spp.; Azpeitia nodulifera; Azpeitia tabularis; Chaetoceros spores; Coscinodiscus marginatus; Coscinodiscus oculus-iridis; Coscinodiscus radiatus; Deep Sea Drilling Project; DEPTH, sediment/rock; Diatoms, other; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Hemidiscus cuneiformis; Leg86; Neodenticula kamtschatica; Neodenticula koizumii; Nitzschia fossilis; Nitzschia jouseae; Nitzschia reinholdii; Nitzschia spp.; North Pacific; Paralia sulcata; Rhizosolenia barboi; Rhizosolenia spp.; Rossiella tatsunokuchiensis; Sample code/label; Stellaria spp.; Stephanopyxis spp.; Thalassionema nitzschioides; Thalassiosira antiqua; Thalassiosira convexa; Thalassiosira eccentrica; Thalassiosira jacksonii; Thalassiosira latimarginata; Thalassiosira leptopus; Thalassiosira nidulus; Thalassiosira oestrupii; Thalassiosira spp.; Thalassiothrix longissima
    Type: Dataset
    Format: text/tab-separated-values, 1554 data points
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  • 59
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    (Table 2) Age determinations on sediment core HU77-151 (1990)
    PANGAEA
    Details
    Publication Date: 2023-12-02
    Keywords: Age, 14C AMS; Age, 14C milieu/reservoir corrected; Age, dated; Age, dated material; Age, dated standard deviation; Baffin Shelf; DEPTH, sediment/rock; HU77-151; Mass; Number; PC; Piston corer; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
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  • 60
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    (Table 1) Diversity of agglutinated foraminifera from Cenomanian to Santonian sediments of DSDP Hole 47-398D in the eastern North Atlantic (1992)
    PANGAEA
    Details
    Publication Date: 2023-12-07
    Keywords: 47-398D; Counting 〉63 µm fraction; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg47; North Atlantic/SEAMOUNT; Number of species; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 58 data points
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  • 61
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    (Table 1) Grain size composition of surface sediments from the Barents Sea shelf (1992)
    PANGAEA
    In:  Supplement to: Polyakova, Elena I; Pavlidis, Yury A; Levin, A A (1992): Factors governing diatom fossil distributions in the surface layer of bottom sediments on the Barents Sea shelf. Oceanology, 32(1), 112-119
    Details
    Publication Date: 2023-12-06
    Description: The surface layer of bottom sediments on the Barents Sea shelf has an irregular but generally very low abundance of diatoms. Tests of species belonging to present-day diatom flora were absent in nearly half of samples; their abundance was only a few shells per gram of dry sediment in 30% of the samples, it was up to 100 shells per gram in 9% of the samples, and was in thousands of shells per gram in only 13% of the samples. The lowest abundances of diatom shells were found in sediments of the eastern and northeastern parts of the sea owing to unfavorable sedimentation conditions and deficiency of dissolved silica in water. But distribution of diatom species on the surface of bottom sediments is strictly consistent with their present-day ranges. About 30% of the samples contained re-deposited Cretaceous and Paleogene diatoms indicating that bottom sediments have largely formed by scouring and re-deposition of underlying material.
    Keywords: Archive of Ocean Data; ARCOD; Area/locality; Barents Sea; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GC; Grab; GRAB; Grain size, sieving; Grain size, sieving/settling tube; Grain size analysis after Petelin (1967, Nauka, Moscow); Gravity corer; Latitude of event; Longitude of event; Professor Shtokman; PS-1268; PS-1301; PS-1303; PS-16; Size fraction 〈 0.001 mm, clay; Size fraction 〉 1 mm, gravel; Size fraction 0.005-0.001 mm; Size fraction 0.010-0.005 mm; Size fraction 0.050-0.010 mm; Size fraction 0.100-0.050 mm; Size fraction 0.250-0.100 mm; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 62
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    (Table 2) Stable isotope measurements of Globigerinoides sacculifer in sediment core ERDC-093P, Pacific Ocean (1992)
    PANGAEA
    Details
    Publication Date: 2023-11-25
    Keywords: DEPTH, sediment/rock; ERDC; ERDC-093P; Globigerinoides sacculifer, δ13C; Globigerinoides sacculifer, δ18O; Isotope ratio mass spectrometry; PC; Piston corer; Thomas Washington
    Type: Dataset
    Format: text/tab-separated-values, 382 data points
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  • 63
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    (Table 5) Age model for sediment core RC17-177, Pacific Ocean (1992)
    PANGAEA
    Details
    Publication Date: 2023-11-25
    Keywords: Age model; Age model, SPECMAP chronology, Imbrie et al. (1984); DEPTH, sediment/rock; PC; Piston corer; RC17; RC17-177; Robert Conrad
    Type: Dataset
    Format: text/tab-separated-values, 33 data points
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  • 64
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    (Table 2) Age determinations on sediment core HU82-057 (1990)
    PANGAEA
    Details
    Publication Date: 2023-12-02
    Keywords: Age, 14C AMS; Age, 14C milieu/reservoir corrected; Age, dated; Age, dated material; Age, dated standard deviation; Baffin Shelf; DEPTH, sediment/rock; HU82-057; Mass; Number; PC; Piston corer; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 38 data points
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  • 65
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    Age determinations of sediment cores from the Baffin Shelf (1990)
    PANGAEA
    In:  Supplement to: Andrews, John T; Evans, L W; Williams, Kerstin M; Briggs, W M; Jull, A J Timothy; Erlenkeuser, Helmut; Hardy, Iris A (1990): Cryosphere/ocean interactions at the margin of the Laurentide ice sheet during the Younger Dryas chron: SE Baffin Shelf, Northwest Territories. Paleoceanography, 5(6), 921-935, https://doi.org/10.1029/PA005i006p00921
    Details
    Publication Date: 2023-12-02
    Description: Cores HU82-034-057 and HU84-035-008, Resolution Basin, SE Baffin Shelf, contain 200 and 450 cm, respectively, of sediment that spans the Younger Dryas chron. In both cores the interval is bracketed by 14C dates on foraminifera or molluscs. These sites were close to the margin of the late Wisconsin (Foxe) ice sheet as it flowed toward the Labrador Sea. Prior to 11 ka, both cores record moderate to high accumulations of foraminifera, relatively high del 18O values in planktonic foraminifera, and low values of detrital carbonate. The diatom and percent opal records imply occasional seasonally open water conditions. During part of the Younger Dryas chron both the diatom and opal analyses imply a shutoff of biogenic silica production, suggesting surface water conditions affected by increased sea ice and/or reduced nutrients. In addition, the Younger Dryas interval is marked by an increase in coarse sand and detrital carbonate, a decrease in total organic carbon and foraminifera, and high rates of sediment accumulation. The inferred environment during the Younger Dryas is ice-proximal. In HU82-034-057, the foraminifera and other data suggest a change in conditions during the middle part of the Younger Dryas chron.
    Keywords: Baffin Shelf; HU77-151; HU82-057; HU84-008; PC; Piston corer
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    Format: application/zip, 3 datasets
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  • 66
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    (Table 2) Age determinations on sediment core HU84-008 (1990)
    PANGAEA
    Details
    Publication Date: 2023-12-02
    Keywords: Age, 14C AMS; Age, 14C milieu/reservoir corrected; Age, dated; Age, dated material; Age, dated standard deviation; Baffin Shelf; DEPTH, sediment/rock; HU84-008; Mass; Number; PC; Piston corer; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 67
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    Stable carbon and oxygen isotope records of Globigerinoides sacculifer from Pacific Ocean sediment cores (1992)
    PANGAEA
    In:  Supplement to: Shackleton, Nicholas J; Le, Jianning; Mix, Alan C; Hall, Michael A (1992): Carbon istotope records from Pacific surface waters and atmospheric carbon dioxide. Quaternary Science Reviews, 11(4), 387-400, https://doi.org/10.1016/0277-3791(92)90021-Y
    Details
    Publication Date: 2023-11-25
    Description: We have stacked planktonic carbon isotope data from three cores in the western equatorial Pacific in order to generate a new reconstruction of atmospheric carbon dioxide over the past 450,000 years. Our new reconstruction resembles that of Shackleton et al. (1983) based on data from East Pacific core V19-30, which successfully predicted features that were subsequently verified by Barnola et al. (1987) in the record from the Vostock ice core. In addition the new data confirm the discovery of Shackleton and Pisias (1985) that changes in atmospheric CO2 lead changes in ice volume and hence probably contributed to the glacial-interglacial cycles. Our new reconstruction avoids some of the deficiencies of the previous reconstruction: in particular the planktonic species (Neogloboquadrina dutertrei), on which the earlier reconstruction depends, does not calcify in truly nutrient-free surface water as the model assumes, whereas our new reconstruction uses Globigerinoides sacculifer which is expected to be more reliable. In addition, the surface waters in the west Pacific are closer to the nutrient-free ideal on which the model (Broecker, 1982) depends. On the other hand, the amplitude of the new reconstruction is significantly smaller than the amplitude observed by Barnola et al. (1987). It is not clear whether this smaller range is a better estimate of the amplitude of the 'biological pump' effect, or whether the true amplitude is reduced by bioturbation in the west Pacific cores that we studied.
    Keywords: ERDC; ERDC-093P; PC; Piston corer; RC17; RC17-177; Robert Conrad; Thomas Washington; V24; V24-109; Vema
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    Format: application/zip, 6 datasets
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  • 68
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    (Table 4) Stable isotope measurements of Globigerinoides sacculifer in sediment core V24-109, Pacific Ocean (1992)
    PANGAEA
    Details
    Publication Date: 2023-11-25
    Keywords: DEPTH, sediment/rock; Globigerinoides sacculifer, δ13C; Globigerinoides sacculifer, δ18O; Isotope ratio mass spectrometry; PC; Piston corer; V24; V24-109; Vema
    Type: Dataset
    Format: text/tab-separated-values, 426 data points
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  • 69
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    (Table 5) Age model for sediment core V24-109, Pacific Ocean (1992)
    PANGAEA
    Details
    Publication Date: 2023-11-25
    Keywords: Age model; Age model, SPECMAP chronology, Imbrie et al. (1984); DEPTH, sediment/rock; PC; Piston corer; V24; V24-109; Vema
    Type: Dataset
    Format: text/tab-separated-values, 29 data points
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  • 70
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    (Table 5) Age model for sediment core ERDC-093P, Pacific Ocean (1992)
    PANGAEA
    Details
    Publication Date: 2023-11-25
    Keywords: Age model; Age model, SPECMAP chronology, Imbrie et al. (1984); DEPTH, sediment/rock; ERDC; ERDC-093P; PC; Piston corer; Thomas Washington
    Type: Dataset
    Format: text/tab-separated-values, 35 data points
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  • 71
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    (Table 3) Stable isotope measurements of Globigerinoides sacculifer in sediment core RC17-177, Pacific Ocean (1992)
    PANGAEA
    Details
    Publication Date: 2023-11-25
    Keywords: DEPTH, sediment/rock; Globigerinoides sacculifer, δ13C; Globigerinoides sacculifer, δ18O; Isotope ratio mass spectrometry; PC; Piston corer; RC17; RC17-177; Robert Conrad
    Type: Dataset
    Format: text/tab-separated-values, 884 data points
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  • 72
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    Carbonate accumulation rates of the Ninetyeast Ridge, Indian Ocean (1992)
    PANGAEA
    In:  Supplement to: Brummer, Geert-Jan A; van Eijden, AJM (1992): "Blue-ocean" paleoproductivity estimates from pelagic carbonate mass accumulation rates. Marine Micropaleontology, 19(1-2), 99-117, https://doi.org/10.1016/0377-8398(92)90023-D
    Details
    Publication Date: 2024-01-09
    Description: More than 95% of the carbon lost from the "blue-ocean" reservoir to the sedimentary sink appears to be transferred as skeletal CaCO3, produced in the surface waters. This skeletal CaCO3 carries a productivity signal which is much better preserved in the underlying pelagic carbonate sediments than that of the refractory organic carbon accompanying it. Here, we develop a new method to quantify this signal in terms of organic carbon paleoproductivity, using the sedimentary mass accumulation rates of pelagic carbonate. These are converted into carbonate transit-paleofluxes, which are then translated into the corresponding transit-fluxes of organic carbon, via the carbonate to organic carbon ratios reported from deep-moored sediment trap experiments in modern blue-ocean environments. Paleoproductivity can then be estimated quantitatively by using published algorithms describing the relationship between the export production of particulate organic carbon at depth and primary productivity in the euphotic zone. Although our approach seems rather straightforward, it contains several pitfalls, the effects of which are highlighted by an example comprising three Paleocene/Oligocene to Recent pelagic carbonate sequences drilled during ODP Leg 121 in the eastern Indian Ocean. Although some extreme values are likely due to errors, such as poorly constrained datum levels and dissolution peaks, the results for the Quaternary and Neogene correlate well from site to site and are within the productivity range of present-day low to medium latitude open oceans. Our method may provide an opportunity to actually quantify blue-ocean primary productivity in sedimentary carbonate environments, but requires validation by other, more established ones.
    Keywords: 121-756; 121-757; 121-758; COMPCORE; Composite Core; Indian Ocean; Joides Resolution; Leg121; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 73
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    Stable carbon and oxygen isotope records of Cibicidoides wuellerstorfi in DSDP and ODP sites in the Atlantic and Pacific Ocean (1992)
    PANGAEA
    In:  Supplement to: Raymo, Maureen E; Hodell, David A; Jansen, Eystein (1992): Response of deep ocean circulation to initiation of Northern Hemisphere glaciation (3-2 MA). Paleoceanography, 7(5), 645-672, https://doi.org/10.1029/92PA01609
    Details
    Publication Date: 2024-01-09
    Description: Carbon isotopic records from benthic foraminifera are used to map patterns of deep ocean circulation between 3 and 2 million years ago, the interval when significant northern hemisphere glaciation began. The delta18O and delta13C data from four Atlantic sites (552, 607, 610, and 704) and one Pacific site (677) show that global cooling over this interval was associated with increased suppression of North Atlantic Deep Water (NADW) formation. However, the relative strength of NADW production was always greater than is observed during late Pleistocene glaciations when extreme decreases in NADW are observed in the deep North Atlantic. Our data indicate that an increase in the equator-to-pole temperature gradient associated with the onset of northern hemisphere glaciation did not intensify deepwater production in the North Atlantic but rather the opposite occurred. This is not unexpected as it is the "warm high-salinity" characteristic, rather than the "low temperature", of thermocline waters that is critical to the deepwater formation process in this region today.
    Keywords: 111-677A; 114-704A; 81-552A; 94-607; 94-610A; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Joides Resolution; Leg111; Leg114; Leg81; Leg94; North Atlantic/FLANK; North Atlantic/PLATEAU; North Atlantic/RIDGE; North Pacific Ocean; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: application/zip, 10 datasets
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  • 74
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    Composition of Eocene-Oligocene sediments from the Kerguelen Plateau, Southern Ocean (1992)
    PANGAEA
    In:  Supplement to: Ehrmann, Werner; Mackensen, Andreas (1992): Sedimentological evidence for the formation of an East Antarctic ice sheet in Eocene/Oligocene time. Palaeogeography, Palaeoclimatology, Palaeoecology, 93(1-2), 85-112, https://doi.org/10.1016/0031-0182(92)90185-8
    Details
    Publication Date: 2024-01-09
    Description: Middle Eocene to late Oligocene sediments recovered at Ocean Drilling Program Sites 689 and 690 on Maud Rise in the southernmost Atlantic Ocean and at Sites 738 and 744 on Kerguelen Plateau in the southernmost Indian Ocean were analysed in order to study the depositional environment and the palaeoclimate. Special emphasis was placed on the reconstruction of the formation of a cryosphere on the Antarctic continent. The investigations include quantifications of carbonate and opal contents, grain size analyses and studies of clay mineral assemblages. The sedimentary sequence at all sites under investigation is highly pelagic, with nannofossil oozes and chalks dominant. The first indication of probable glacierization at sea level is in the form of isolated gravel and terrigenous sand grains, which indicate ice-rafting from middle Eocene time at c. 45.5 Ma. This is supported by enhanced concentrations of detrital chlorite and reworked kaolinite. Probably, some glaciers reached the sea, while most of the continent remained under the influence of a humid and warm to temperate climate. The growth of the inland ice resulted in enhanced physical weathering and in increased contents of detrital chlorite and kaolinite from about 40 Ma. A strengthening of the glacial conditions and the onset of continental East Antarctic glaciation is recorded in early Oligocene sediments with an age of 36 Ma. All major sediment parameters document this event. The clay mineralogy changed between c. 36.3 Ma and c. 35.5 Ma from smectite-dominated assemblages to illite- and chlorite-dominated assemblages, the latter being indicative of physical weathering under cooler climates. Large quantities of ice-rafted gravel and sand accumulated on the Kerguelen Plateau between 36.0 Ma and 35.8 Ma. At the same time, an increase in opal content occurred as well as a decrease in carbonate. The sediment parameters imply that the East Antarctic continent was more or less totally buried beneath the ice during Oligocene time. The ice sheet, however, probably did not have a polar but a temperate character, as indicated by the occurrence of Nothofagus and relatively warm surface water temperatures prohibiting the long-distance transport of debris by icebergs.
    Keywords: 119-738B; 119-738C; 119-744A; DRILL; Drilling/drill rig; Indian Ocean; Joides Resolution; Leg119; Ocean Drilling Program; ODP
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    Format: application/zip, 10 datasets
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  • 75
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    Radiolarian biostratigraphy in the central Indian Ocean (1990)
    PANGAEA
    In:  Supplement to: Johnson, David A (1990): Radiolarian biostratigraphy in the Central Indian Ocean, Leg 115. In: Duncan, RA; Backmann, J; Peterson, LC; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 115, 395-409, https://doi.org/10.2973/odp.proc.sr.115.156.1990
    Details
    Publication Date: 2024-01-09
    Description: Identifiable radiolarians of stratigraphic importance were recovered at eight of the sites drilled on Leg 115. The assemblages range in age from Holocene to middle Eocene (Dictyoprora mongolfieri Zone, about 48 Ma). Faunal preservation is particularly good in two stratigraphic intervals: the Holocene through upper Miocene (0-9 Ma), and the lowermost Oligocene to middle Eocene (35-48 Ma). Fluctuating rates of silica accumulation at these drill sites during the Cenozoic reflect changing tectonic and paleoceanographic conditions. In particular, the gradual closure of the Indonesian and Tethyan seaways and the northward migration of the Indian subcontinent severely restricted zonal circulation and silica accumulation in tropical latitudes during the late Oligocene through middle Miocene. By the late Miocene the Indian subcontinent had moved sufficiently north of the equator to allow trans-Indian zonal circulation patterns to become reestablished, and biosiliceous sedimentation resumed. The composition of the radiolarian assemblages in the tropical Indian Ocean is closely comparable with that of the 'stratotype' sequences in the equatorial Pacific. However, there are some notable exceptions in Indian Ocean assemblages: (1) the scarcity of the genera Pterocanium and Spongaster in the Neogene; (2) the absence of the stratigraphically important Podocyrtis lineage, P. diamesa -〉 P. phyxis -〉 P. ampla, in the middle Eocene; and (3) the scarcity of taxa of the genus Dorcadospyris, with the exception of D. ateuchus. The succession of radiolarian events was tabulated for those stratigraphic intervals where the assemblages were well preserved. We identified 55 events in the middle Eocene to earliest Oligocene, and 31 events in the late Miocene to Holocene. The succession of events is closely comparable with that of the tropical Pacific. However, there are exceptions that appear to be real, rather than artifacts of sample preservation, mixing, and core disturbance.
    Keywords: 115-707A; 115-709A; 115-709C; 115-710A; 115-711A; DRILL; Drilling/drill rig; Joides Resolution; Leg115; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
    Type: Dataset
    Format: application/zip, 9 datasets
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  • 76
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    Planktonic foraminifera in late Eocene to Pleistocene sediments of ODP Hole 120-747A and 120-749B (1992)
    PANGAEA
    In:  Supplement to: Li, Qianyu; Radford, Sally S; Banner, Fred T (1992): Distribution of microperforate tenuitellid planktonic foraminifers in holes 747A and 749B; Kerguelen Plateau. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 569-594, https://doi.org/10.2973/odp.proc.sr.120.171.1992
    Details
    Publication Date: 2024-01-09
    Description: Late Eocene to Pleistocene planktonic foraminifers from Leg 120 Holes 747A and 749B on the Kerguelen Plateau were quantitatively analyzed. Microperforate tenuitellid forms dominate the Oligocene to middle Miocene, and 17 species (including the new species Tenuitella jamesi and Tenuitellinata selleyi) are recorded. A lineage zonation of tenuitellid foraminifers is proposed as an alternative scheme for refinement of the Oligocene-Miocene biostratigraphy in high latitudes. Progressive or abrupt alterations in morphological characters within this lineage, producing different morphotypes or species, coincided with prolonged or sudden changes in paleoclimate. These microperforate planktonic foraminifers thus appear to have potential as indicators of cold-water masses and temperature fluctuations in post-Eocene oceans.
    Keywords: 120-747A; 120-749B; DRILL; Drilling/drill rig; Joides Resolution; Leg120; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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    Format: application/zip, 4 datasets
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  • 77
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    Neogene planktonic foraminifera from the southern Kerguelen Plateau (1992)
    PANGAEA
    In:  Supplement to: Berggren, William A (1992): Neogene planktonic foraminifer magnetostratigraphy of the southern Kerguelen Plateau (Sites 747, 748, 751). In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 631-647, https://doi.org/10.2973/odp.proc.sr.120.153.1992
    Details
    Publication Date: 2024-01-09
    Description: With the exception of a brief (2 m.y.) late Miocene-early Pliocene hiatus, an essentially complete Neogene record was recovered on the Kerguelen Plateau in a calcareous biofacies. The stratigraphic distribution of about 30 taxa of Neogene planktonic foraminifers recovered at Sites 747, 748,and 751 (Central and Southern Kerguelen plateaus; approximately 54°-58°S) is recorded. Faunas are characterized by low diversity and high dominance and exhibit a gradual decline in species numbers (reflecting a concomitant increase in biosiliceous forms, particularly diatoms) from about 10 in the early Miocene to 5-8 in the middle Miocene, 3-4 in the late Miocene, to essentially a lone (Neogloboquadrina pachyderma) form in the Pliocene-Pleistocene. A provisional sevenfold biostratigraphic zonation has been formulated that, together with the recovery of a representative Neogene magnetostratigraphic record, may ultimately lead to a correlation with low-latitude magnetobiostratigraphies. The initial appearance of Neogloboquadrina pachyderma is associated with magnetic polarity Chron (MPC) 4 (~7 Ma) and MPC 4A (〉8 Ma) at Sites 747 and 751, respectively.
    Keywords: 120-747A; 120-748B; 120-751A; DRILL; Drilling/drill rig; Joides Resolution; Leg120; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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    Format: application/zip, 9 datasets
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  • 78
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    Cretaceous calcareous nannofossils from Exmouth and Wombat Plateau, Northwest Australia (1992)
    PANGAEA
    In:  Supplement to: Bralower, Timothy J; Siesser, William G (1992): Cretaceous calcareous nannofossil biostratigraphy of sites 761, 762, and 763, xmouth and Wombat Plateaus, Northwest Australia. In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 529-556, https://doi.org/10.2973/odp.proc.sr.122.169.1992
    Details
    Publication Date: 2024-01-09
    Description: Three sites drilled during Leg 122, Site 761 on the Wombat Plateau and Sites 762 and 763 on the Exmouth Plateau, provide a composite Cretaceous section ranging in age from Berriasian to Maestrichtian. Together, these sites contain an apparently complete, expanded Aptian-Maestrichtian record. Consistently occurring and moderately well-preserved nannofossil assemblages allow reasonably high biostratigraphic resolution. Our data indicate that traditional middle and Upper Cretaceous nannofossil biozonations are not entirely applicable in this region. In this investigation, we compare in detail the relative ranges of key Cretaceous nannofossil markers in the eastern Indian Ocean and in sections from Europe and North Africa. We have determined which previously used events are applicable, and which additional markers have biostratigraphic utility in this region. Significant differences in Campanian-Maestrichtian assemblages exist between the more northern Site 761 and Sites 762 and 763. Such differences are surprising, considering that these sites are only separated by 3° of latitude. We interpret them as marking a strong thermal gradient over the Exmouth Plateau region. Other results include the recovery of an expanded Albian-Cenomanian sequence containing a mixture of Austral and Tethyan floras, which will enable correlation of biozonations established for these two realms; the recovery of two condensed but apparently complete Cenomanian-Turonian boundary sections; correlation of Upper Cretaceous calcareous nannofossil biostratigraphy with magneto- and foraminifer stratigraphy; and correlation of portions of the Barrow Group equivalents to the Berriasian and Valanginian stages.
    Keywords: 122-761B; 122-762C; 122-763B; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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    Format: application/zip, 6 datasets
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  • 79
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    Cenozoic nannofossils from the Exmouth Plateau, eastern Indian Ocean (1992)
    PANGAEA
    In:  Supplement to: Siesser, William G; Bralower, Timothy J (1992): Cenozoic calcareous nannofossil biostratigraphy on the Exmouth Plateau, Eastern Indian Ocean. In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 601-631, https://doi.org/10.2973/odp.proc.sr.122.162.1992
    Details
    Publication Date: 2024-01-09
    Description: Six sites (759-764) were drilled on the Exmouth Plateau during Ocean Drilling Program Leg 122. Nannofossilrich Cenozoic sediments were recovered at all six sites, reflecting the open-ocean conditions that prevailed over the Exmouth Plateau during the Cenozoic. Calcareous nannofossils are abundant, diverse (250 different species identified), and generally well preserved throughout the composite lower Paleocene to Quaternary section. The diversity and preservation of nannofossils permits a high degree of stratigraphic resolution at each site. Site 762 on the central part of the Exmouth Plateau contains an almost unbroken Cenozoic record (only Miocene Zones NN3, NN8, and NN10 are missing). This site may prove to be a useful Cenozoic biostratigraphic and biomagnetochronologic reference section for the eastern Indian Ocean.
    Keywords: 122-760A; 122-761B; 122-762B; 122-762C; 122-763A; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
    Type: Dataset
    Format: application/zip, 15 datasets
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  • 80
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    Early Cretaceous dinoflagellate cycsts from ODP Hole 123-765C (1992)
    PANGAEA
    In:  Supplement to: Helby, R; McMinn, Andrew (1992): A preliminary report of early Cretaceous dinocyst floras from Site 765, Argo Abyssal Plain, Northwest Australia. In: Gradstein, FM; Ludden, JN; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 123, 407-420, https://doi.org/10.2973/odp.proc.sr.123.121.1992
    Details
    Publication Date: 2024-01-09
    Description: Results of a preliminary study of Early Cretaceous dinocyst assemblages from Site 765 on the Argo Abyssal Plain, off northwestern Australia, are presented. The palynological sequence is interpreted in terms of Australian zones and is, in descending order, the late Aptian Diconodinium davidii Zone (Cores 123-765C-33R to -39R), the middle to early Aptian Odontochitina operculata Zone (Cores 123-765C-40R to -49R), the Barremian Muderongia australis Zone (Cores 123-765C-50R to -54R), and the Berriasian lower Batioladinium reticulatum Zone (Core 123-765C-59R). The dating of the sequence as late Aptian to Berriasian on the basis of dinocysts is supported, in part, by data concerning associated foraminiferal, radiolarian, and calcareous nannofossil suites.
    Keywords: 123-765C; DRILL; Drilling/drill rig; Joides Resolution; Leg123; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 81
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    Middle Eocene to early Oligocene planktonic and benthic foraminifers from ODP Hole 125-786A (1992)
    PANGAEA
    In:  Supplement to: Milner, G J (1992): Middle Eocene to early Oligocene foraminifers from the Izu-Bonin Forearc, Hole 786A. In: Fryer, P; Pearce, JA; Stokking, LB; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 125, 71-90, https://doi.org/10.2973/odp.proc.sr.125.143.1992
    Details
    Publication Date: 2024-01-09
    Description: Drilling at Site 786, located in the center of the Izu-Bonin forearc basin, penetrated an apparently continuous section of middle Eocene/lower Oligocene volcaniclastic breccias and nannofossil oozes. Planktonic foraminiferal faunas underwent a gradual transition from relatively high-diversity middle Eocene through late Eocene tropical or warm-water assemblages to a cooler-water, less diverse assemblage during the early Oligocene. In the cosmopolitan benthic foraminiferal faunas, the major transition occurred during the early late Eocene. Middle Eocene benthic assemblages resembling the bathyal 'Lenticulina' fauna (characterized by Osangularia mexicana, Cibicidoides eocaenus, and several buliminid species) changed to an upper Eocene abyssal 'Globocassidulina subglobosa' fauna (characterized by Cibicidoides praemundulus, Globocassidulina subglobosa, Gyroidinoides girardanus, Oridorsalis umbonatus, and Siphonodosaria aculeata). Even though no large, abrupt faunal changes appear to have been associated with the assumed Eocene/Oligocene boundary, benthic species turnover continued through the late Eocene and into the early Oligocene. This resulted in a slightly lower diversity early Oligocene fauna dominated by three species: Laevidentalina sp., Bulimina jarvisi, and Gyroidinoides girardanus. The progression from a middle Eocene bathyal 'Lenticulina' fauna, rather than an abyssal 'Nuttallides truempyi' fauna, to an abyssal 'Globocassidulina subglobosa' fauna during the early late Eocene, suggests that a bathymetric deepening occurred at Site 786. Increased water depths may have resulted from tectonic subsidence.
    Keywords: 125-786A; DRILL; Drilling/drill rig; Joides Resolution; Leg125; North Pacific Ocean; Ocean Drilling Program; ODP
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  • 82
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    Lower Cretaceous dinoflagellate cysts of Exmouth Plateau, Nortwest Australia (1992)
    PANGAEA
    In:  Supplement to: Brenner, Wolfram W (1992): Dinoflagellate cyst stratigraphy of the lower Cretaceous sequence at sites 762 and 763, Exmouth Plateau, Northwest Australia. In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 511-528, https://doi.org/10.2973/odp.proc.sr.122.158.1992
    Details
    Publication Date: 2024-01-09
    Description: Cores from Leg 122, Sites 762 and 763, were sampled at intervals of one sample per 1.5-m section in the Lower Cretaceous sequences. More than 400 samples were studied, most of which contained dinoflagellate cysts, spores, pollen, and various types of palynoclasts. From the entire palynomorph assemblage mainly dinoflagellate cysts were studied to give a stratigraphic outline for the Lower Cretaceous. Stratigraphic units were interpreted in terms of zones in use for the Jurassic and Cretaceous of Australia. At both sites a condensed Valanginian to Aptian sequence and an expanded middle to late Berriasian sequence containing a rich microplankton assemblage were recovered. Sites 762 and 763 can be correlated with each other and with the wells Eendracht-1 and Vinck-1.
    Keywords: 122-762C; 122-763B; 122-763C; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 83
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    Triassic marine ostracodes of the Australian Margin (1992)
    PANGAEA
    In:  Supplement to: Dépêche, Francoise; Crasquin-Soleau, Sylvie (1992): Triassic marine ostracodes of the Australain Margin (Holes 759B, 760B, 761C, and 764B). In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 453-462, https://doi.org/10.2973/odp.proc.sr.122.177.1992
    Details
    Publication Date: 2024-01-09
    Description: Sixty-five species of benthic ostracodes have been discovered in the Triassic sediments of Ocean Drilling Program Leg 122, drilled on the northwestern margin of Australia. Known species were found in the samples studied from the upper Norian-Rhaetian at Holes 759B and 760B and from the Rhaetian at Holes 761C, 764A, and 764B. A large part of material of the recovered ostracodes belong to taxa that are related to ostracodes described in the Tethyan province. Seven species are known from northwestern Europe and five from Iran. Ogmoconcha and Rhombocythere, which are stratigraphically important genera in northern Europe, extend into the Tethyan province. Species of Ogmoconcha are present in Holes 760B, 764A, and 764B. The highly ornate baidiids of the Alpine Tethyan province are dominant in Hole 761C. The affinities with the fauna of Iran noted by Kristan-Tollmann are corroborated by the presence of the genera Mostlerella, Hiatobairdia, and other bairdiids.
    Keywords: 122-759B; 122-760B; 122-761C; 122-764A; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 84
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    Composition and stable isotope record of bulk sediment and belemnite rostra from ODP Hole 122-761C (1992)
    PANGAEA
    In:  Supplement to: Bralower, Timothy J (1992): Stable isotopic, assemblage, and paleoenvironmental investigations of juvenil-ocean sediments recovered on Leg 122, Wombat Plateau, Northwest Australia. In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 569-585, https://doi.org/10.2973/odp.proc.sr.122.155.1992
    Details
    Publication Date: 2024-01-09
    Description: A sedimentary sequence documenting the early history of the proto-Indian Ocean was drilled at Site 761 on the Wombat Plateau, northwest Australia. Directly above the post-rift unconformity, two lithologic units were recovered which reflect deposition in incipient oceanic environments. The lower unit, composed of sandstone, contains abundant belemnites and a few lenses composed of low-diversity coccolith assemblages. The second unit, composed of chalk, contains abundant calcispheres, thoracospheres, low-diversity coccolith assemblages, and a few radiolarians. Belemnites and organisms that produced calcispheres and thoracospheres are thought to be opportunistic. Their abundance, and the absence of a normal marine fauna and flora, reflects an unstable early ocean environment. Stable oxygen and carbon isotopic data for the two units fall into almost separate fields. Heavy delta18O values for the belemnites indicate that they have not been affected by recrystallization. Instead, these isotopic values are thought to indicate either the deep, cool habitat of the belemnites or strong vital effects. A bulk chalk delta18O value from the belemnite sand is 3 to 4 parts per mil lighter than the belemnite delta18O values, possibly because it is largely composed of coccoliths which inhabited warmer surface waters. Light delta13C values for bulk calcisphere-bearing nannofossil chalk samples are thought to be a direct result of upwelling or of vital effects. Heavy delta18O values for the chalk unit are interpreted as resulting from upwelling of cool waters. Assemblage and isotopic data are consistent with this incipient ocean basin being highly productive, either as a result of upwelling or runoff of nutrient-rich waters from nearby land areas. However, it is not possible to rule out the control of vital effects on the isotopic signature of any of the fossil groups.
    Keywords: 122-761C; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 85
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    Cretaceous ostracodes from Wombat and Exmouth Plateau (1992)
    PANGAEA
    In:  Supplement to: Damotte, Renée (1992): Data report: Cretaceous ostracodes from holes 761B and 764A (Wombat Plateau) and holes 762C, 763B, and 763C (Exmouth Plateau). In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 819-834, https://doi.org/10.2973/odp.proc.sr.122.175.1992
    Details
    Publication Date: 2024-01-09
    Description: The Cretaceous ostracodes species recognized on Leg 122 represent elements of South Gondwanan faunistic province. In Lower and middle Cretaceous cores, ostracodes species present were originally described from South Africa and in cores from Deep Sea Drilling Project Leg 36 (Falkland Plateau): Arculicythere tumida, Bythocypris? cf. nodosa, 'Bythocypris' cf. strogylae, Collosaboris? stanleyensis, Cytherella bensoni, Majungaella nematis, Robsoniella cf. falklandensis and Pirileberis aff. mkuzensis. In Upper Cretaceous levels, the Australian species Apateloschizocythere geniculata, Bairdia austracretacea, Cytherella cf. atypica, Cytherella cf. jonesi, Cytherelloidea cf. carnarvonensis, Cytherelloidea cf. colemani, Karsteneis aspericava, and Trachyleberis anteplana were found.
    Keywords: 122-761B; 122-762C; 122-763B; 122-763C; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 86
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    Neogene planktonic foraminifers from Wombat and Exmouth Plateau (1992)
    PANGAEA
    In:  Supplement to: Zachariasse, Willem-Jan (1992): Neogene planktonic foraminifers from sites 761 and 762 off Northwest Australia. In: von Rad, U; Haq, BU; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 122, 665-675, https://doi.org/10.2973/odp.proc.sr.122.190.1992
    Details
    Publication Date: 2024-01-09
    Description: Diverse, warm-water planktonic foraminiferal faunas prevailed on the Wombat and Exmouth plateaus during the Neogene, in spite of the northward drift of Australia across 10° to 15° latitude since the early Miocene. Invasions of cool-water species occurred during periods of global cooling in the late middle Miocene, late Miocene, and Pleistocene, and reflect periods of increased northward transport of cool surface water, probably via the West Australian Current. The sedimentary record of the Neogene on Wombat and Exmouth Plateau is interrupted by two hiatuses (lower Miocene, Zone N5, and upper middle to upper Miocene, Zones N15-N17), and one redeposited section of upper Miocene to uppermost Pliocene sediments. Mechanical erosion or nondeposition by increased deep-water flow or tilting and uplift of Wombat and Exmouth plateaus, resulting in sediment shedding, are the most likely explanations for these Miocene hiatuses, but which of these processes were actually operative on the Wombat and Exmouth plateaus is uncertain. The redeposited section of upper Miocene to uppermost Pliocene sediments in Hole 761B, however, certainly reflects a latest Pliocene period of uplift and tilting of the Wombat Plateau. An important finding was the occurrence of Zone N15-correlative sediments in Hole 762B without any representative of Neogloboquadrina. Similar findings in Java and Jamaica indicate that the earliest spreading of Neogloboquadrina acostaensis in the tropical region resulted from migration. The evolution of this species, therefore, must have taken place in higher latitudes. I suggest that Neogloboquadrina acostaensis evolved from Neogloboquadrina atlantica in the North Atlantic within Zone NN9, but how and where in the region this speciation took place is still uncertain
    Keywords: 122-761B; 122-762B; DRILL; Drilling/drill rig; Joides Resolution; Leg122; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 87
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    Lower Cretaceous nannofossils of the northwestern Australian margin (1992)
    PANGAEA
    In:  Supplement to: Mutterlose, Jörg (1992): Lower Cretaceous nannofossil biostratigraphy off northwestern Australia (Leg 123). In: Gradstein, FM; Ludden, JN; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 123, 343-368, https://doi.org/10.2973/odp.proc.sr.123.124.1992
    Details
    Publication Date: 2024-01-09
    Description: Moderately to sparsely nannofossiliferous Neocomian siliciclastics and rich Aptian-Albian nannofossil chalks were cored at two Leg 123 sites on the abyssal plains off northwestern Australia. At Site 765, the basal 70 m of cored section yields questionable Tithonian and Berriasian to early Hauterivian assemblages of moderate diversity containing Cruelellipsis cuvillieri, Tegumentum striatum, Speetonia colligata, and Crucibiscutum salebrosum. The overlying Hauterivianlower Aptian is represented by 140 m of sediments barren of nannofossils. Above this, the remaining 80 m of the Lower Cretaceous section has been assigned to the Rhagodiscus angustus Zone (late Aptian-early Albian in age) and the Prediscosphaera columnata Zone (middle-late Albian in age). Common species include Rhagodiscus angustus, Prediscosphaera columnata, Eprolithus floralis, Eprolithus sp., Chiastozygus litterarius, Rucinolithus irregularis, and Flabellites biforaminis. At Site 766, the Neocomian, represented by 200 m of sediment, yields C. cuvillieri, T. striatum, S. colligata, and C. salebrosum. Within the overlying Aptian-Albian sequence of 80 m, the Rhagodiscus angustus, and P. columnata zones were recognized. The paleobiogeographic patterns and implications are discussed, with special emphasis paid to the bipolar high-latitude distribution pattern of C. salebrosum in the Valanginian-Hauterivian. Biostratigraphically important species are discussed and their occurrence in the Indian Ocean is compared with one from the Tethys and Boreal realms. Two new species, Serbiscutum gaultensis and Eprolithus bettenstaedtii, are described.
    Keywords: 123-765C; 123-766A; DRILL; Drilling/drill rig; Joides Resolution; Leg123; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 88
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    Lower Cretaceous radiolarians from the northwestern Australian margin (1992)
    PANGAEA
    In:  Supplement to: Baumgartner, Peter O (1992): Lower Cretaceous radiolarian biostratigraphy and biogeography off northwestern Australia (ODP sites 765 and 766 and DSDP Site 261), Argo Abyssal Plain and lower Exmouth Plateau. In: Gradstein, FM; Ludden, JN; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 123, 299-342, https://doi.org/10.2973/odp.proc.sr.123.127.1992
    Details
    Publication Date: 2024-01-09
    Description: During Leg 123, abundant and well-preserved Neocomian radiolarians were recovered at Site 765 (Argo Abyssal Plain) and Site 766 (lower Exmouth Plateau). The assemblages are characterized by a scarcity or absence of Tethyan taxa. The Berriasian-early Aptian radiolarian record recovered at Site 765 is unique in its density of well-preserved samples and in its faunal contents. Remarkable contrasts exist between radiolarian assemblages extracted from claystones of Site 765 and reexamined DSDP Site 261, and faunas recovered from radiolarian sand layers of Site 765. Clay faunas are unusual in their low diversity of apparently ecologically tolerant species, whereas sand faunas are dominated by non-Tethyan species that have never been reported before. Comparisons with Sites 766 and 261, as well as sedimentological observations, lead to the conclusion that this faunal contrast results from a difference in provenance, rather than from hydraulic sorting. Biostratigraphic dating proved difficult principally because of the paucity or even absence of (Tethyan) species used in published zonations. In addition, published zonations are contradictory and do not reflect total ranges of species. Radiolarian assemblages recovered from claystones at Sites 765 and 261 in the Argo Basin reflect restricted oceanic conditions for the latest Jurassic to Barremian time period. Neither the sedimentary facies nor the faunal associations bear any resemblance to sediment and radiolarian facies observed in typical Tethyan sequences. I conclude that the Argo Basin was paleoceanographically separated from Tethys during the Late Jurassic and part of the Early Cretaceous by its position at a higher paleolatitude and by enclosing landmasses, i.e., northeastern India and the Shillong Block, which were adjacent to the northwestern Australian margin before the opening. Assemblages recovered from radiolarian sand layers are dominated by non-Tethyan species that are interpreted as circumantarctic. Their sudden appearance in the late Berriasian/early Valanginian pre-dates the oceanization of the Indo-Australian break-up (Ml 1, late Valanginian) by about 5 m.y., but coincides with a sharp increase in margin-derived pelagic turbidites. The Indo-Australian rift zone and its adjacent margins probably were submerged deeply enough to allow an intermittent "spillover" of circumantarctic cold water into the Argo Basin, creating increased bottom current activity. Circumantarctic cold-water radiolarians transported into the Argo Basin upwelled along the margin and died en masse. Concomitant winnowing by bottom currents led to their accumulation in distinct radiolarite layers. High rates of faunal change and the sharp increase of bottom current activity are thought to be synchronous with the two pronounced late Berriasian-early Valanginian lowstands in sea level. Hypothetically, both phenomena might have been caused by a glaciation on the Antarctic-Australian continent, which was for the first time isolated from the rest of Gondwana by oceanic seaways as a result of Jurassic and Early Cretaceous seafloor spreading. The absence of typical Tethyan radiolarian species during the late Valanginian to late Hauterivian period is interpreted as reflecting a time of strong influx of circumantarctic cold water following oceanization (Mil) and rapid spreading between southeast India and western Australia. The reappearance and gradual increase in abundance and diversity of Tethyan forms along with the still dominant circumantarctic species are thought to result from overall more equitable climatic conditions during the Barremian and early Aptian and may have resulted from the establishment of an oceanic connection with the Tethys Ocean during the early Aptian.
    Keywords: 123-765C; 123-766A; DRILL; Drilling/drill rig; Joides Resolution; Leg123; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 89
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    Neogene and Quaternary radiolarians from the Izu-Bonin Forearc in the western Pacific Ocean (1992)
    PANGAEA
    In:  Supplement to: Wang, Yu-Jing; Yang, Qun (1992): Neogene and Quaternary radiolarians from Leg 125. In: Fryer, P; Pearce, JA; Stokking, LB; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 125, 95-112, https://doi.org/10.2973/odp.proc.sr.125.174.1992
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    Publication Date: 2024-01-09
    Description: Radiolarians were recovered from three of the five holes investigated during Leg 125. Relative abundances are estimated at Holes 782A and 784A, where preservation is poor to good. Rare, poorly preserved radiolarians are present in Hole 786A. Seven radiolarian zones are recognized in the latest early- middle Miocene to early Pleistocene of Holes 782A and 784A. These zones are approximately correlated to the zones of Sanfilippo and others published in 1985.
    Keywords: 125-782A; 125-784A; 125-786A; DRILL; Drilling/drill rig; Joides Resolution; Leg125; North Pacific Ocean; Ocean Drilling Program; ODP
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  • 90
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    Radiolarians of the Izu-Bonin Region (1992)
    PANGAEA
    In:  Supplement to: Aitchison, Jonathan C (1992): Radiolarians from sediments of the Izu-Bonin Region, Leg 126. In: Taylor, B; Fujioka, K.; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 126, 321-330, https://doi.org/10.2973/odp.proc.sr.126.140.1992
    Details
    Publication Date: 2024-01-09
    Description: Radiolarians occur at five Leg 126 sites. Well-preserved radiolarians were recovered from Miocene and Pliocene through Holocene sections. The results of this study may help to fill the informational gap on Quaternary radiolarian distribution at mid-latitudes in the western Pacific. Radiolarian preservation is discontinuous, and, although present in Oligocene sections, specimens are poorly preserved.
    Keywords: 126-787B; 126-790A; 126-790B; 126-790C; 126-791A; 126-791B; 126-792A; 126-792B; 126-792C; 126-792D; 126-792E; 126-793A; 126-793B; DRILL; Drilling/drill rig; Joides Resolution; Leg126; North Pacific Ocean; Ocean Drilling Program; ODP; Philippine Sea
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    Format: application/zip, 13 datasets
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  • 91
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    Calcareous nannofossils across the Cretaceous/Paleocene boundary in the southern Indian Ocean (1992)
    PANGAEA
    In:  Supplement to: Ehrendorfer, Thomas; Aubry, Marie-Pierre (1992): Calcareous nannoplankton changes across the Cretaceous/Paleocene boundary in the southern Indian Ocean. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 451-470, https://doi.org/10.2973/odp.proc.sr.120.148.1992
    Details
    Publication Date: 2024-01-09
    Description: Changes in the composition of calcareous nannoplankton across the Cretaceous/Paleocene boundary at southern high-latitude Ocean Drilling Program Hole 750A are documented in this semiquantitative study. These changes are compared with changes described from other localities at high- and low-latitudes. This study provides additional data toward a detailed documentation of the paleontologic changes that occurred in the late Maestrichtian and the early Paleocene, despite limitations to the interpretation caused by coring gaps, drilling disturbance, and the presence of an unconformity at the boundary at this site.
    Keywords: 120-750A; DRILL; Drilling/drill rig; Joides Resolution; Leg120; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 92
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    Cenozoic record of continental mineral deposit on Broken and Ninetyeast Ridges, Indian Ocean (1992)
    PANGAEA
    In:  Supplement to: Hovan, Steven A; Rea, David K (1992): The Cenozoic record of continental mineral deposition on Broken and Ninetyeast Ridges, Indian Ocean: Southern African aridity and sediment delivery from the Himalayas. Paleoceanography, 7(6), 833-860, https://doi.org/10.1029/92PA02176
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    Publication Date: 2024-01-09
    Description: The mineral component of pelagic sediments recovered from the Indian Ocean provides both a history of eolian deposition related to climatic changes in southern Africa and a record of terrigenous input related to sediment delivery from the Himalayas. A composite Cenozoic dust flux record from four sites in the central Indian Ocean is used to define the evolution of the Kalahari and Namib desert source regions. The overall record of dust input is one of very low flux for much of the Cenozoic indicating a long history of climate stability and regional hyperaridity. The most significant reduction in dust flux occurred near the Paleocene/Eocene boundary and is interpreted as a shift from semiarid climates during the Paleocene to more arid conditions in the early Eocene. Further aridification is recorded as stepwise reductions in the input of dust material which occur from about 35 to 40 Ma, 27 to 32 Ma, and 13 to 15 Ma and correlate to significant enrichments in benthic foraminifer delta18O values. The mineral flux in sediments from the northern Indian Ocean, site 758, records changes in the terrigenous input apparently related to the erosion of the Himalayas and indicates a rapid late Cenozoic uplift history. Three major pulses of increased terrigeneous sediment flux are inferred from the depositional record. The initial increase began at about 9.5 Ma and continued for roughly 1.0 million years. A second pulse with approximately the same magnitude occurred from about 7.0 to 5.6 Ma. The largest pulse of enhanced terrigenous influx occurred during the Pliocene from about 3.9 to 2.0 Ma when average flux values were severalfold greater than at any other time in the Cenozoic.
    Keywords: 121-756A; 121-757A; 121-758A; 22-215; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Indian Ocean; Indian Ocean//BASIN; Joides Resolution; Leg121; Leg22; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
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  • 93
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    Planktonic foraminifera of ODP Hole 107-654A (1990)
    PANGAEA
    In:  Supplement to: Glacon, Georgette; Vergnaud-Grazzini, Colette; Iaccarino, Silvia Maria; Réhault, Jean-Pierre; Randrianasolo, Auran; Sierro, Francisco Javier; Weaver, Philip PE; Channell, James E T; Torii, Masayuki; Hawthorne, Teresa B (1990): Planktonic foraminiferal events and stable isotope records in the Upper Miocene, Site 654. In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 415-427, https://doi.org/10.2973/odp.proc.sr.107.157.1990
    Details
    Publication Date: 2024-01-09
    Description: The late Miocene sediments of the Tyrrhenian ODP Site 654 encompass a deepening sequence which begins with glauconite shallow water sands followed by a rapid transition to deep water sediments and culminates with dolomitic mudstones associated with Messinian evaporites. The sequence compares well with the so-called 'Sahelian cycle' and with post-orogenic cycles recognized in peninsular Italy and Sicily. The studied interval, consisting of 55 m thick nannofossil oozes, belongs to the Globorotalia suterae subzone and lower part of the Globorotalia conomiozea Zone, indicating late Tortonian and early Messinian age, respectively. Biomagnetostratigraphic correlation assigns the Tortonian/ Messinian boundary an age of 6.44-6.45 Ma. In addition, six main events have been recognized, based on the range of keeled globorotaliids and coiling direction changes of keeled and unkeeled globorotaliids, which have been correlated to the geomagnetic time-scale. Comparison with North Atlantic sites and land sections of the Guadalquivir basin and northern Morocco provides good correlations with the events documented in these areas. In particular, Event IV, which predates the FO of Globorotalia conomiozea, may be used to recognize the Tortonian/Messinian boundary in extra-Mediterranean areas where G. conomiozea is missing. Variations in the distribution of different species of Globigerinoides are related to changes in the surficial marine environment. Although no clear trends can be recognized on the oxygen and carbon isotope records of Globigerinoides obliquus, the parallelism between the occurrence of low salinity species (G. sacculifer) and peaks of low 5180 values, as well as that of normal salinity species (G. obliquus) and peaks of high d18O values, suggests strong local changes of environmental conditions. The high amplitude of the fluctuations of d18O values suggests important variations in the salinity of the Tyrrhenian Sea, related to a rapidly changing water budget. The major feature of the carbon isotope record is a large decrease between 7.0 and 6.95 Ma, which therefore predates the 6.2 Ma global 'carbon shift'.
    Keywords: 107-654A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
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  • 94
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    Geochemistry of basalts of ODP Hole 106-648B (1990)
    PANGAEA
    In:  Supplement to: Park, Kye-Hun; Staudigel, Hubert (1990): Radiogenic isotope ratios and initial seafloor alteration in submarine Serocki Volcano basalts. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 117-121, https://doi.org/10.2973/odp.proc.sr.106109.134.1990
    Details
    Publication Date: 2024-01-09
    Description: Basalts from ODP Site 648, recovered from Serocki Volcano, a near-axis volcano on the Mid-Atlantic Ridge, are normal mid-ocean ridge basalts, depleted in K, Rb, and LREE. They have homogeneous source regions with 87Sr/88Sr = 0.70234 - 0.70245 (N = 6); 143Nd/,44Nd = 0.51318 - 0.51322 (N = 8); 208Pb/204Pb = 18.53 - 18.74; 207Pb/205Pb = 15.40 – 15.45; 208Pb/204Pb = 37.83 – 36.14 (n= 3). The recovered materials are generally fresh with minor initial alteration that can be identified petrographically as the minor occurrence of groundmass clays and/or black halos. We have analyzed four separates of black halos, two of them with adjoining fresh bulk rock samples for a comparison of their chemical and isotopic composition. All black halos analyzed occur on or very close to the surfaces of rock fragments, and appear to be of finer groundmass grain size and/or contain less groundmass plagioclase, suggesting a different early cooling history. Two of the black halo samples analyzed were indistinguishable from fresh rock, and two displayed higher K, Rb, loss-on-ignition, and 87Sr/86Sr ratios, and lower K/Rb, chemical variations that suggest higher degree of ocean floor alteration.
    Keywords: 106-648B; DRILL; Drilling/drill rig; Joides Resolution; Leg106; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 95
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    Chemistry of very young basalts from ODP Hole 106-648B (1990)
    PANGAEA
    In:  Supplement to: Adamson, Andrew C; Richards, Hugh G (1990): Low-temperature alteration of very young basalts from ODP Hole 648B: Serocki Volcano, Mid-Atlantic ridge. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 181-194, https://doi.org/10.2973/odp.proc.sr.106109.140.1990
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    Publication Date: 2024-01-09
    Description: Basalts in Hole 648B, located in the rift valley of the Mid-Atlantic Ridge at 23°N in crust estimated to be less than 100,000 years old, are mainly fresh, but small amounts of secondary phases are found on fracture surfaces and in alteration halos within the rocks. The halos are defined by dark bands 1-4 mm thick that have developed parallel to fracture surfaces or pillow margins and which in some cases have migrated some centimeters into the rock. The dark bands are the principal locus of secondary phases. The secondary phases are olive-green and yellow protoceladonites, of composition and structure intermediate between celadonite and iron-rich saponite, red (Mn-poor) to opaque (Mn-rich) iron oxyhydroxides, mixtures of protoceladonite and iron oxyhydroxide, and rare manganese oxides. These phases occur mainly as linings or fillings of open spaces in the basalt within the dark bands. Sulfides and intersertal glass are the only primary phases that can be seen to have been altered. Where dark bands have migrated into the rock, the rock behind the advancing band is almost devoid of secondary phases, implying redissolution. The potassium and magnesium in the secondary phases could have been supplied from ambient seawater. The aluminum in the protoceladonites must have been derived from local reaction of intergranular glass. The source of iron and silica could have been intergranular glass or low temperature mineralizing solutions of the type responsible for the formation of deposits of manganese oxides and iron oxyhydroxides and silicates on the seafloor.
    Keywords: 106-648B; DRILL; Drilling/drill rig; Joides Resolution; Leg106; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 96
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    Chemistry of peridotites from ODP Hole 109-670A (1990)
    PANGAEA
    In:  Supplement to: Fujii, Toshitsugu (1990): Petrology of peridotites from Hole 670A, Leg 109. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 19-25, https://doi.org/10.2973/odp.proc.sr.106109.116.1990
    Details
    Publication Date: 2024-01-09
    Description: Two types of serpentinized peridotites from Hole 670A of Leg 109 were studied in detail. A small piece of relatively unaltered sample, 109-670A-9R-1, #3 (22-24 cm), is olivine websterite characterized by aluminous chromian spinel with Cr/(Cr + Al) ratio of about 0.2. The other minerals have compositions essentially identical with those in more commonly observed serpentinized harzburgite like 109-670A-9R-01, #12 (94-97 cm). The occurrence of pyroxene-rich peridotite with normal harzburgite suggests that small scale heterogeneity in modal compositions exists in the upper mantle beneath the Mid-Atlantic Ridge. Low Cr/Al ratios of spinel and pyroxenes of those peridotites indicate that they are relatively less refractory among peridotites ever recovered from the oceanic region. Textures and the estimated equilibration temperatures indicate that peridotites recovered from Hole 670A are recrystallized and reequilibrated at subsolidus temperature. The occurrence of serpentinized peridotites from the rift valley of the active mid-oceanic ridge may suggest that they represent direct exposure of upwelling mantle materials rather than serpentine diapirs.
    Keywords: 109-670A; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 97
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    Mineralogy and geochemistry of latest Miocene deposits in the Tyrrhenian Sea (1990)
    PANGAEA
    In:  Supplement to: Chamley, Hervè; Debrabant, Pierre; Robert, Christian; Mascle, Georges; Réhault, Jean-Pierre; Aprahamian, Jean (1990): Mineralogical and geochemical investigations on latest Miocene deposits in the Tyrrhenian Sea (ODP Leg 107). In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 153-167, https://doi.org/10.2973/odp.proc.sr.107.132.1990
    Details
    Publication Date: 2024-01-09
    Description: Late Miocene sediments from ODP Sites 652 and 654, drilled on the Sardinian margin in the Western Tyrrhenian Sea, are investigated through mineralogical, micromorphological, geochemical, and microgeochemical analyses. Clay associations appear to be little controlled by conditions of deposition, and largely depend on pre- and post-depositional conditions. The sedimentary series from Central Mediterranean gives very different geodynamic information, according to the sector considered. While relatively stable conditions, like those encountered in Caltanissetta Basin, Sicily, favor the mineralogical expression of warm-temperate and subarid Messinian climate, the Eastern Sardinia margin (Site 654) clay suites mainly reflect the transition from tectonically active to relaxed conditions. The series deposited at the foot of the same margin above a thinner crust (Site 652) experienced the effects of burial diagenesis, enhanced by strong geothermal gradient.
    Keywords: 107-652A; 107-653B; 107-654A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
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    Format: application/zip, 4 datasets
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  • 98
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    Messinian and pre-Messinian sediments of ODP Holes 107-652A and 107-654A (1990)
    PANGAEA
    In:  Supplement to: Borsetti, Anna Maria; Curzi, Pietro V; Landuzzi, V; Mutti, Maria; Ricci Lucchi, Franco; Sartori, Renzo; Tomadin, Luciano; Zuffa, Gian G (1990): Messinian and Pre-Messinian sediments from ODP Leg 107 Sites 652 and 654 in the Tyrrhenian Sea: sedimentologic and petrographic study and possible comparisons with Italian sequences. In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 169-186, https://doi.org/10.2973/odp.proc.sr.107.128.1990
    Details
    Publication Date: 2024-01-09
    Description: Sedimentology, mineralogy, and petrology of the pre-Pliocene sediments drilled at ODP Sites 652 and 654 in the Tyrrhenian Sea (Leg 107) have been studied with emphasis on the lower Messinian to pre-Messinian intervals. Messinian at Site 652 is essentially turbiditic and basinal in character; it was deposited during the syn-rift phase in a strongly subsiding half-graben and is correlatable with emerged coeval sequences; in part with the Laga Formation of the foredeep of Apennines, and in part with the filling of grabens dissecting that chain in the Tyrrhenian portion of Tuscany. The sequence found in Site 654 indicates an upper Tortonian to Messinian transgression accompanying crustal stretching in the western Tyrrhenian Sea and is perfectly correlatable with the so-called "Sahelian cycle" and with "postorogenic" cycles recognized in peninsular Italy and in Sicily.
    Keywords: 107-652A; 107-654A; DRILL; Drilling/drill rig; Joides Resolution; Leg107; Ocean Drilling Program; ODP; Tirreno Sea
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  • 99
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    Composition of peridotites of ODP Hole 109-670A (1990)
    PANGAEA
    In:  Supplement to: Komor, Stephen C; Grove, Timothy L; Hébert, Rejean (1990): Abyssal peridotites from ODP Hole 670A (21°10'N, 45°02'W): residues of mantle melting exposed by non-constructive axial divergence. In: Detrick, R; Honnorez, J; Bryan, WB; Juteau, T; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 106/109, 85-101, https://doi.org/10.2973/odp.proc.sr.106109.128.1990
    Details
    Publication Date: 2024-01-09
    Description: The Ocean Drilling Program's Hole 670A is located ~45 km south of the Kane Fracture Zone. Non-constructive (amagmatic) axial divergence ~10 km east of Hole 670A exposes residual mantle peridotites at the seafloor. The average peridotite in the group of 18 studied has 68% of its original mineralogy replaced by serpentine and related minerals. Average reconstructed (preserpentinization) modal proportions are 81.6% OL, 14.7% OPX, 2.4% CPX, and 1.3% SPINEL. Average chemical parameters are OL Mg# = 90.5, OL NiO = 0.31 wt%, OPX Mg# = 90.5, OPX A12O3 = 4.21 wt%, CPX Mg# = 90.9, CPX Na2O = 0.19 wt%, and spinel Cr# = 24.7. Chemical and mineralogical compositions of most samples fall in a restricted range, suggesting the rocks record a similarly narrow range of melting percentages. Major and trace element modeling indicate 14%-16% melting of a partially depleted source like the Tinaquillo lherzolite can account for most of the sample compositions. One harzburgite collected 30 m away from the other samples contains minerals with more refractory compositions; calculated melting percentages for this harzburgite are 18%-20%. The difference in calculated melting percentages between the refractory harzburgite and the rest of the samples may indicate that the percent of melting (or the efficiency of melt extraction) in the sub-oceanic upper mantle melting varies on a scale of tens of meters. Comparison of the Hole 670A peridotite compositions with peridotites from the KFZ reveals no significant differences. Therefore, there is no support in this small sample set for a variation of residual peridotite compositions correlative with the transform fault effect documented from basalt compositional variations.
    Keywords: 109-670A; DRILL; Drilling/drill rig; Joides Resolution; Leg109; Ocean Drilling Program; ODP; South Atlantic Ocean
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  • 100
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    Tertiary and Quaternary calcareous nannoplankton biostratigraphy of ODP Leg 112 holes (1990)
    PANGAEA
    In:  Supplement to: Martini, Erlend (1990): Tertiary and Quaternary calcareous nannoplankton biostratigraphy off Peru (ODP Leg 112). In: Suess, E; von Huene, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 112, 217-238, https://doi.org/10.2973/odp.proc.sr.112.180.1990
    Details
    Publication Date: 2024-01-09
    Description: Positions of all cores recovered during Ocean Drilling Program (ODP) Leg 112 off Peru are shown in the standard calcareous nannoplankton zonation. Stratigraphic and regional occurrences and preservation of calcareous nannoplankton are discussed for all sites, and fossil lists are presented for selected samples. Late Miocene to Holocene nannoplankton assemblages in the upwelling systems off Peru and scattered blooms, especially of Gephyrocapsa species and Helicosphaera carteri, are described. Scyphosphaera assemblages found in late Miocene Zone NN9 {Discoaster hamatus Zone) at Site 684 are compared with similar assemblages from Gabon on the west coast of Africa. Remarkable subsidence is indicated by early and middle Eocene nearshore and shallow-water nannoplankton assemblages for Sites 682, 683, and 688. Besides several local hiatuses, major regional hiatuses were noted at Site 682 (upper Eocene, uppermost middle Eocene, and part of the lower and middle Oligocene missing), Site 683 (uppermost middle Eocene to lower part of the middle Miocene missing), and Site 688 (part of the middle Eocene, uppermost middle Eocene to upper Oligocene, and parts of the lower and middle Miocene missing).
    Keywords: 112-679D; 112-679E; 112-680A; 112-681A; 112-682A; 112-683A; 112-683B; 112-684A; 112-685A; 112-686A; 112-686B; 112-687A; 112-688A; 112-688E; DRILL; Drilling/drill rig; Joides Resolution; Leg112; Ocean Drilling Program; ODP; South Pacific Ocean
    Type: Dataset
    Format: application/zip, 16 datasets
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